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https://www.eso.org/public/images/isaac_test URL: https://www.eso.org/public/archives/images/original/isaac_test.tif determination method or standard: JImagehash...

edu/public/images/rubin-light-test URL: https://noirlab.edu/public/media/archives/images/original/rubin-light-test.tif determination method or standard:...

edu/public/images/rubin-optical-test-3 URL: https://noirlab.edu/public/media/archives/images/original/rubin-optical-test-3.tif determination method or standard:...

edu/public/images/rubin-optical-test-2 URL: https://noirlab.edu/public/media/archives/images/original/rubin-optical-test-2.tif determination method or standard:...

edu/public/images/rubin-optical-test-1 URL: https://noirlab.edu/public/media/archives/images/original/rubin-optical-test-1.tif determination method or standard:...

URL: https://noirlab.edu/public/media/archives/images/original/rubin-lift-test-2.tif determination method or standard: JImagehash perceptual hash...

URL: https://noirlab.edu/public/media/archives/images/original/rubin-lift-test-1.tif determination method or standard: JImagehash perceptual hash...

https://noirlab.edu/public/images/rubin-dimm-test URL: https://noirlab.edu/public/media/archives/images/original/rubin-dimm-test.tif determination method or standard:...

org/public/images/m1-final-rough-test URL: https://www.eso.org/public/archives/images/original/m1-final-rough-test.tif determination method or standard:...

eso.org/public/images/elt_m1_test_facility URL: https://www.eso.org/public/archives/images/original/elt_m1_test_facility.tif determination method or standard:...

https://noirlab.edu/public/media/archives/images/original/rubin-camera-raft-test-image.tif determination method or standard: JImagehash perceptual hash...

eso.org/public/images/vlt-site-test-1989 URL: https://www.eso.org/public/archives/images/original/vlt-site-test-1989.tif determination method or standard:...

I-fold-module-2-under-test-CC URL: https://noirlab.edu/public/media/archives/images/original/SCI-fold-module-2-under-test-CC.tif determination method or...

edu/public/images/rubin-m1m3-coating-fit-test-2 URL: https://noirlab.edu/public/media/archives/images/original/rubin-m1m3-coating-fit-test-2.tif determination method or...

edu/public/images/rubin-m1m3-coating-fit-test-3 URL: https://noirlab.edu/public/media/archives/images/original/rubin-m1m3-coating-fit-test-3.tif determination method or...

edu/public/images/rubin-m1m3-coating-fit-test-1 URL: https://noirlab.edu/public/media/archives/images/original/rubin-m1m3-coating-fit-test-1.tif determination method or...

edu/public/images/rubin-m1m3-coating-fit-test-4 URL: https://noirlab.edu/public/media/archives/images/original/rubin-m1m3-coating-fit-test-4.tif determination method or...

https://www.eso.org/public/images/elt-test-bench URL: https://www.eso.org/public/archives/images/original/elt-test-bench.tif determination method or standard:...

edu/public/images/rubin-m1m3-coating-fit-test-5 URL: https://noirlab.edu/public/media/archives/images/original/rubin-m1m3-coating-fit-test-5.tif determination method or...

edu/public/images/rubin-M2-test-lift-3 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-3.tif determination method or standard:...

edu/public/images/rubin-M2-test-lift-6 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-6.tif determination method or standard:...

edu/public/images/rubin-M2-test-lift-5 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-5.tif determination method or standard:...

edu/public/images/rubin-M2-test-lift-2 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-2.tif determination method or standard:...

edu/public/images/rubin-M2-test-lift-4 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-4.tif determination method or standard:...

edu/public/images/rubin-M2-test-lift-1 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-1.tif determination method or standard:...

edu/public/images/rubin-M2-test-lift-9 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-9.tif determination method or standard:...

edu/public/images/rubin-M2-test-lift-7 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-7.tif determination method or standard:...

edu/public/images/rubin-M2-test-lift-8 URL: https://noirlab.edu/public/media/archives/images/original/rubin-M2-test-lift-8.tif determination method or standard:...

URL: https://www.eso.org/public/archives/images/original/vlt-site-test-tolar-1989.tif determination method or standard: JImagehash perceptual hash...

org/public/images/vlt-site-test-paranal-1989 URL: https://www.eso.org/public/archives/images/original/vlt-site-test-paranal-1989.tif determination method or...

org/public/images/vlt-site-test-amazoni1-1989 URL: https://www.eso.org/public/archives/images/original/vlt-site-test-amazoni1-1989.tif determination method...

edu/public/images/rubin-m1m3-cover-testing URL: https://noirlab.edu/public/media/archives/images/original/rubin-m1m3-cover-testing.tif determination method or standard:...

edu/public/images/rubin-m2-functional-testing URL: https://noirlab.edu/public/media/archives/images/original/rubin-m2-functional-testing.tif determination method or...

test-shots-51 URL: https://noirlab.edu/public/media/archives/images/original/noirlab-20160315-pv-test-shots-51.tif determination method...

English Molds for couches for test pilots, line the NASA Langley Research Centers model shop wall. The names of the test subjects (Langley employees) are...

English This is a test control room at the ESO Headquarters in Garching, where software for the VLT was being tested. determination method or standard:...

English Molds for couches for test pilots, line the NASA Langley Research Centers model shop wall. The names of the test subjects (Langley employees) are...

-m1m3-static-support-testing URL: https://noirlab.edu/public/media/archives/images/original/rubin-m1m3-static-support-testing.tif determination method...

English This is a test control room at the ESO Headquarters in Garching, where software for the VLT was being tested. determination method or standard:...

English Several test segments of the giant primary mirror of the E-ELT are currently undergoing testing close to ESO’s headquarters in Garching, Germany...

English A good comparison of the ComCam engineering test camera with the LSSTCam can be seen in the figure. The two have the same resolution and sensitivity...

org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English GreenGT test author name string: Fredvelo Wikimedia username: Fredvelo URL: https://commons...

mage_nisp_instrument2/25030465-1-eng-GB/Early_commissioning_test_image_NISP_instrument.tif determination method or standard: JImagehash perceptual hash...

Alcatel, VertexRSI, and Mitsubishi Electric Corporation under test at the Antenna Test Facility (ATF) on the NRAO Very Large Array (VLA) site near Socorro...

https://noirlab.edu/public/images/rubin-Testing-CC URL: https://noirlab.edu/public/media/archives/images/original/rubin-Testing-CC.tif determination method or standard:...

image_vis_instrument2/25030375-1-eng-GB/Early_commissioning_test_image_VIS_instrument.tif determination method or standard: JImagehash perceptual hash...

English Overall view of the impact test range. determination method or standard: work of the federal government of the United States applies to jurisdiction:...

ment_grism_mode/25030510-1-eng-GB/Early_commissioning_test_image_NISP_instrument_grism_mode.tif determination method or standard: JImagehash perceptual...

English Test equipment on top of Cerro Armazones during the VLT site testing in the late 1980s. determination method or standard: SHA-1 described at URL:...

English Test site of the CRIRES instrument at the integration laboratory at the ESO headquarters in Garching. Image obtained in 2003. described at URL:...

English The Telescope Mount cable wrap assembly undergoes tests in the test structure. determination method or standard: SHA-1 described at URL: https://noirlab...

field-of-view image (in false colour) obtained during the Test-Bed Telescope’s first light tests at ESO’s La Silla Observatory in Chile. The individual light...

English A fiber test conducted at the Rubin Observatory on Cerro Pachón. determination method or standard: SHA-1 described at URL: https://noirlab...

English The VLT-Test Camera in its final stage at the Integration Lab. determination method or standard: SHA-1 described at URL: https://www.eso...

English Impact test results and 22 caliber gun set-up. determination method or standard: Rkkf applies to jurisdiction: United States determination method...

English VLT Test Camera in the Optical Laboratory at ESO's Headquarters in Garching. determination method or standard: SHA-1 described at URL: https://www...

English A friction-driven encoder test for the International Gemini Observatory. determination method or standard: SHA-1 described at URL: https://noirlab...

English A friction-driven encoder test for the International Gemini Observatory. determination method or standard: SHA-1 described at URL: https://noirlab...

English A friction-driven encoder test for the International Gemini Observatory. determination method or standard: SHA-1 described at URL: https://noirlab...

English Images of Structural Test Article (STA) vertical water impact testing (WIT) testing at Impact Dynamics Facility NASA Langley Research Center. determination...

"/test_tmax_",a,".tif") infileename2=paste0(processpath2,"/test_tmin_",a,".tif") outfileename1=paste0(processpath2,"/test_tmean_",a,".tif") #print...

"/test_tmin_",a,".tif") print (newfileename) file.copy(from = infilee, to = newfileename) } junk <- dir(path="./snapshot2/", pattern="tif.aux") #...

English Marshall Space Flight Center, view of campus from atop test stand building determination method or standard: work of the federal government of...

English The new Flexure Test Facility building under construction at the southeast corner of NOAO's facility in Tucson (progress as of 26 February 2002)...

English Two ALMA antennas in the test site in Socorro, New Mexico, USA. Image taken in December 2008. determination method or standard: SHA-1 described...

English The VLT test-camera on the platform of the nasmyth focus. The circular structure to the left is the adaptor-rotator, onto which all instruments...

English Panorama of the old test dome at La Silla. described at URL: https://www.eso.org/public/images/djones-3-dome-pano URL: https://www.eso...

English A view of the ALMA High Altitude Test Facility. Image taken in March 2009 described at URL: https://www.eso.org/public/images/alma-mar2009-1519...

rocket on launcher at Wallops for test, November 10, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years...

English The VLT Test Camera is mounted within the main mirror cell. The telescope frame is in horizontal position during the work at the M2 Unit. (This...

English The first tilt test of the northern Gemini 8-meter telescope on Mauna Kea, Hawaii, performed for safety with the primary mirror replaced by a steel...

rocket on launcher at Wallops for test, November 10, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years...

rocket on launcher at Wallops for test, November 10, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years...

rocket on launcher at Wallops for test, November 10, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years...

English REOSC optician Philippe Wuillaume aligning the test optics for one of the twin International Gemini Observatory telescopes in 1998. determination...

rocket on launcher at Wallops for test, November 10, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years...

rocket on launcher at Wallops for test, November 10, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years...

English A 1994 site test in Navarette, Namibia. determination method or standard: SHA-1 described at URL: https://www.eso.org/public/images/1994-navarrete-namibia...

capsule in cargo bay of C-130 airplane prior to drop test, equipment in C130 for doing drop test. determination method or standard: work of the federal...

capsule in cargo bay of C-130 airplane prior to drop test, equipment in C130 for doing drop test. determination method or standard: work of the federal...

English Multiple exposure of a test with a prototype Lunar Excursion Module. This test was one of many conducted at Langley of the structural dynamics...

English Pascal Beraud, REOSC optical engineer, aligns the Hartmann test equipment for one of the International Gemini Observatory telescopes in 1998. determination...

English This photograph shows a night-time view of the dome of the Test-Bed Telescope 2, a European Space Agency telescope located at ESO’s La Silla Observatory...

English A close-up photograph of the CCD for the VLT Test Camera. Image taken in 1994. described at URL: https://www.eso.org/public/images/ccd-wafer-vlt-tc_feb1994...

English An engineer guides the telescope structure of the Test-Bed Telescope 2 carefully into place as it is lowered into its sheltering dome at ESO’s...

quality at Kitt Peak to ensure safety. Here, they conduct a flocculation test to determine the correct chemical mix necessary for that day's water processing...

English This image shows the 57W CaNaPy laser during a field test on the 0.6m telescope at the Allgäuer VolksSternwarte Ottobeuren observatory in Germany...

Feb. 29 on the Fred Haise Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, continuing a key test series for future Artemis flights...

Feb. 29 on the Fred Haise Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, continuing a key test series for future Artemis flights...

English The black telescope structure of the European Space Agency's Test-Bed Telescope 2 peers out of its open dome in front of the rolling desert landscape...

English Under a cooperation agreement between ESO and ESA, ESA will site a Test-Bed Telescope similar to the one shown here at ESO’s La Silla Observatory...

English Pretty in pink, the Test-Bed Telescope 2, located at ESO’s La Silla Observatory in Chile, looks out over the Atacama Desert at sunset. The Moon...

Simonyi Survey Telescope taking on-sky observations with the 144-megapixel test camera called the Commissioning Camera on the night of 24 October 2024. determination...

Simonyi Survey Telescope taking on-sky observations with the 144-megapixel test camera called the Commissioning Camera on the night of 24 October 2024. determination...

English Electronic components for testing at Gemini North Hilo Test Facility. determination method or standard: SHA-1 described at URL: https://noirlab...

the 1966 m baseline, which would be the longest baseline ever in ALMA. The test was conducted on April 28th 2012 with the antennas PM02 and PM03, and the...

English The open dome of the European Space Agency's Test-Bed Telescope 2 stands out against its fellow telescopes at ESO’s La Silla Observatory in Chile...

English Water Type Muffler Test determination method or standard: Rkkf applies to jurisdiction: United States determination method or standard: SHA-1 described...

Macintosh with confirmation of the first successful GPI adaptive optics system test at Gemini South. The display shows the instrument's logo as generated by...

Simonyi Survey Telescope taking on-sky observations with the 144-megapixel test camera called the Commissioning Camera on the night of 24 October 2024. determination...

English Photographed in 1960. -- Skin Stress Test of the 12-foot satellite built as a prototype of the full-scale Echo satellite. The 12-foot diameter...

edu/public/images/rubin-vacuum-testing-of-m1m3-cell URL: https://noirlab.edu/public/media/archives/images/original/rubin-vacuum-testing-of-m1m3-cell.tif determination...

English Under a cooperation agreement between ESO and ESA, a Test-Bed Telescope similar to the one shown here will be sited at ESO’s La Silla Observatory...

English The ALMA VertexRSI prototype antennae on the Antenna Test Facility (ATF) site at the NRAO Very Large Array (VLA) site near Socorro (New Mexico...

English Sonic boom test models determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

English Images from Orion Structural Test Article (STA) vertical water impact testing (WIT) Swing Test 4, Photographer Harlen Capen at the top of the...

English This picture shows the Test-Bed Telescope 2 inside its dome, right after it was positioned in place with the help of a crane, against the dramatic...

English Test spectra viewed through the red camera on the GHOST optical bench while John Pazder (NRC) performs the final alignment of spectrograph optics...

English Water Type Muffler Test determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

English Water Type Muffler Test determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

English Water Type Muffler Test determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

English Water Type Muffler Test determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

English Water Type Muffler Test determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

English Water Type Muffler Test determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

English Water Type Muffler Test determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

Ayrton Jordan (left) and Anthony Milana (right) at the NASA White Sands Test Facility (WSTF) in Las Cruces, N.M. determination method or standard: work...

English The seismic isolation test bed at ESO's Garching test facility. Both the lateral and the vertical components of the earthquake acceleration are...

English The position of the European Space Agency's Test-Bed Telescope 2 is indicated by the yellow square in this aerial view of ESO’s La Silla Observatory...

reaches out of the white telescope dome towards the black structure of the Test-Bed Telescope 2, a European Space Agency telescope hosted at ESO's La Silla...

English The LSST Camera team is preparing for a shipping test run using the camera mass simulator. determination method or standard: SHA-1 described at...

National Accelerator Laboratory, the LSST Camera team conducted a successful test in mid-October 2020, verifying the clearance between the filters and the...

National Accelerator Laboratory, the LSST Camera team conducted a successful test in mid-October 2020, verifying the clearance between the filters and the...

diameter M2 Cell Assembly sitting in its test tower (approx. six meters off the ground) in the Harris test facility in Rochester, N.Y. determination...

English The LSST Camera team is preparing for a shipping test run using the camera mass simulator. determination method or standard: SHA-1 described at...

English The LSST Camera team is preparing for a shipping test run using the camera mass simulator. determination method or standard: SHA-1 described at...

English Taking the first 3200-megapixel images was an important first test for the focal plane. To do so without a fully assembled camera, the SLAC team...

English Image of a GPI control screen capture showing the test star Theta 1 Orionis B1 (blocked by the coronagraph), with cluster members B2, B3, and B4...

diameter M2 Cell Assembly sitting in its test tower (approx. six meters off the ground) in the Harris test facility in Rochester, N.Y. determination...

English Acquisition and Guidance (A&G) modules installed on their test carts in the Gemini South telescope instruments lab. determination method or standard:...

Ayrton Jordan, Anthony Milana and Edgar Reyes from the NASA White Sands Test Facility (WSTF) in Las Cruces, N.M. determination method or standard: work...

English In this picture the VLT Test Camera is mounted on the adaptor-rotator, which connects an instrument to the VLT at the Nasmyth focus. This picture...

English The new Test-Bed Telescope 2, a European Space Agency telescope, is housed inside the shiny white dome shown in this picture, at ESO’s La Silla...

Attribution-Share Alike 4.0 truetrue English Apparatus for the light/dark test in adult zebrafish. Portuguese Aparato do teste de preferência claro/escuro...

diameter M2 Cell Assembly sitting in its test tower (approx. six meters off the ground) in the Harris test facility in Rochester, N.Y. determination...

edu/public/images/Testing-20181106-1327-CC URL: https://noirlab.edu/public/media/archives/images/original/Testing-20181106-1327-CC.tif determination method...

diameter M2 Cell Assembly sitting in its test tower (approx. six meters off the ground) in the Harris test facility in Rochester, N.Y. determination...

English Early site testing in the Karoo Region. Between October 1955 and March 1957, first series of site tests were performed over a wide range or geographic...

This image shows VINCI (VLT INterferometer Commissioning Instrument), the "test camera" of the Very Large Telescope Interferometer (VLTI), and LEONARDO,...

English High Power Laser test of VLT 4LGSF Laser Launch Telecope in the ESO climatic chamber in Garching The image quality of ground based telescopes can...

shown at Wallops prior to flight test, July 31, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years...

English Sonic Boom test model and measuring probe rake with Christine Darden determination method or standard: work of the federal government of the United...

English Close-up of one of the siderostats (test telescopes) for the interferometric observations at the VLT. The first fringes were obtained in March...

English Sonic Boom test model and measuring probe rake with Christine Darden determination method or standard: work of the federal government of the United...

diameter M2 Cell Assembly sitting in its test tower (approx. six meters off the ground) in the Harris test facility in Rochester, N.Y. determination...

English Sonic Boom test model and measuring probe rake with Christine Darden determination method or standard: work of the federal government of the United...

diameter M2 Cell Assembly sitting in its test tower (approx. six meters off the ground) in the Harris test facility in Rochester, N.Y. determination...

launcher at Wallops for flight test, May 20, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years by...

edu/public/images/testing-general-relativity-with-the-event-horizon URL: https://noirlab.edu/public/media/archives/images/original/testing...

launcher at Wallops for flight test, May 20, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years by...

English System Integration, Test and Commissioning (SIT-COM) team members Johnny Estevez and Chris Stubbs at work, characterizing the twilight sky brightness...

Millimeter/submillimeter Array (ALMA) Test Scientist, points to results on computer screens during the process of calibrating and testing the accuracy of an antenna...

English Historical picture from a series of site tests carried out in the 1960s. described at URL: https://www.eso.org/public/images/doornenbal-site-af...

shows the VLT Adaptive Optics Prototype System, installed during the first test at the coudé focus of the 1.52 m telescope at the Observatoire de Haute Provence...

English NEWFIRM Passes Key Tests determination method or standard: SHA-1 described at URL: https://noirlab.edu/public/images/noaoann06024a URL: https://noirlab...

English Test pilot in cockpit. determination method or standard: work of the federal government of the United States applies to jurisdiction: United States...

English ESO colleagues test a new workshop for the forthcoming ESO Supernova Planetarium & Visitor Centre. The innovative ESO Supernova will host curriculum-based...

exposures with the VLT Test Camera. They were obtained through a red filtre on June 5, 1998, during a spare period when no technical tests were scheduled. described...

weighting and performing Center of Gravity (CG) measurements of the Structural Test Article (STA) at NASA Langley Research Center. determination method or standard:...

English Test Setup For Model Landing Investigation of a Winged Space Vehicle Image used in NASA Document TN-D-1496 1960-L-04633.01 is Figure 9a for NASA...

English ESO colleagues test a new workshop about ESO telescopes for the forthcoming ESO Supernova Planetarium & Visitor Centre. The innovative ESO Supernova...

-- Multiple exposure of an impact test of the Apollo command module. In this test the Apollo capsule was tested making a sand landing. determination...

English ALMA cryogenic systems are tested at high altitude. Image taken in March 2009. determination method or standard: SHA-1 described at URL: https://www...

English WS-110A Brown Bomber in Unitary Wind Tunnel Low Mach Number Test determination method or standard: work of the federal government of the United...

shows the VLT Adaptive Optics Prototype System, installed during the first test at the coudé focus of the 1.52 m telescope at the Observatoire de Haute-Provence...

English WS-110A Brown Bomber in Unitary Wind Tunnel Low Mach Number Test determination method or standard: work of the federal government of the United...

English WS-110A Brown Bomber in Unitary Wind Tunnel Low Mach Number Test determination method or standard: work of the federal government of the United...

English WS-110A Brown Bomber in Unitary Wind Tunnel Low Mach Number Test determination method or standard: work of the federal government of the United...

English Testing equipment at Paranal, 1990. determination method or standard: SHA-1 described at URL: https://www.eso.org/public/images/1990-paranal-equipment...

English Assembly and tests of FORS2 in the Integration Laboratory at Paranal, before installation at KUEYEN in late October. determination method or standard:...

English Testing Gemini’s Super-Laser determination method or standard: SHA-1 described at URL: https://noirlab.edu/public/images/iotw2326b URL: https://noirlab...

English The European antenna prototype for ALMA in the Socorro test site in Arizona. The image was obtained in August 2003. determination method or standard:...

the site testing station in the Karoo region, after a rain. The Karoo is a semi-desertic region in the west of South Africa. Sites were tested there between...

English 17-foot test section in contraction cone of 300-MPH 7 x 10-Foot Tunnel (7 x 10-Foot test section in background). determination method or standard:...

English Historical picture from a series of site tests carried out in the 1960s. described at URL: https://www.eso.org/public/images/mcsharry-edit URL:...

English Site testing Cerro Armazones in 1989. described at URL: https://www.eso.org/public/images/1989-armazones-group3 URL: https://www.eso...

English Rainy day during a Gamsberg site test. determination method or standard: SHA-1 described at URL: https://www.eso.org/public/images/1995-gamsberg-rain2...

English Armazones group photo during site testing. determination method or standard: SHA-1 described at URL: https://www.eso.org/public/images/1995-armaz-group...

English Service vehicle and containers at the ESO - NRAO Testing Area. Image taken in March 2002. described at URL: https://www.eso.org/public/images/esopia00021sites...

English The European antenna prototype for ALMA in the Socorro test site in Arizona. The image was obtained in August 2003. determination method or standard:...

English Testing of the Telescope Mount Assembly (TMA) has begun at the Asturfeito factory in Spain. determination method or standard: SHA-1 described...

English VLT site testing on top of Armazones in the late 1980s. determination method or standard: SHA-1 described at URL: https://www.eso...

English Meteorology station at the ESO – NRAO Testing Area. Image taken in March 2002. described at URL: https://www.eso.org/public/images/esopia00020sites...

English Photo taken during site testing in Namibia. described at URL: https://www.eso.org/public/images/1994-gamsberg-namibia URL: https://www.eso...

English First run testing for Pflow lift determination method or standard: SHA-1 described at URL: https://noirlab.edu/public/images/rubin-dome-lift URL:...

English The New Technology Telescope (NTT) was designed to test innovative astronomical equipment. determination method or standard: SHA-1 described at...

propagating on the interior of the dome. Prior to the first test on-sky, it is first tested inside the dome determination method or standard: SHA-1 described...

the Richard F Caris Mirror Lab at the University of Arizona for optical testing. determination method or standard: SHA-1 described at URL: https://noirlab...

the Richard F Caris Mirror Lab at the University of Arizona for optical testing. determination method or standard: SHA-1 described at URL: https://noirlab...

English Solar panel at the ESO - NRAO Testing Area. Image taken in March 2002. described at URL: https://www.eso.org/public/images/esopia00019sites URL:...

the Richard F Caris Mirror Lab at the University of Arizona for optical testing. determination method or standard: SHA-1 described at URL: https://noirlab...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Site testing atop Cerro Armazones in advance of the construction of ESO's Very Large Telescope. determination method or standard: SHA-1 described...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Site testing at Cerro Armazones. described at URL: https://www.eso.org/public/images/1989-armazones-team URL: https://www.eso...

the Richard F Caris Mirror Lab at the University of Arizona for optical testing. determination method or standard: SHA-1 described at URL: https://noirlab...

the Richard F Caris Mirror Lab at the University of Arizona for optical testing. determination method or standard: SHA-1 described at URL: https://noirlab...

the Richard F Caris Mirror Lab at the University of Arizona for optical testing. determination method or standard: SHA-1 described at URL: https://noirlab...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

and McSharry with a 25-centimetre Danjon seeing telescope during site testing at Flathill, during the 1960s. determination method or standard: SHA-1...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Screenshot of ESOcast 173:First Successful Test of Einstein’s General Relativity Near Supermassive Black Hole. determination method or standard:...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

States Space Force training students and professors stand at the Thad Cochran Test Stand on June 4 during a tour of NASA’s Stennis Space Center. determination...

the Richard F Caris Mirror Lab at the University of Arizona for optical testing. determination method or standard: SHA-1 described at URL: https://noirlab...

the Richard F Caris Mirror Lab at the University of Arizona for optical testing. determination method or standard: SHA-1 described at URL: https://noirlab...

English Electronic testing equipment at Gemini North Hilo Base Facility. determination method or standard: SHA-1 described at URL: https://noirlab...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

Astronaut John Young (above) was one of 14 astronauts, 8 NASA test pilots, and 2 McDonnell test pilots who took part in simulator studies. determination method...

English Gemini North during testing of a new laser used to produce an artificial guide star and allow the study of more objects wtih adaptive optics....

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

of the complex VINCI instrument for the VLT Interferometer, during the tests that took place at the Optical Laboratory at the ESO Headquarters in Garching...

English Site testing for the VLT around 1987. The photo was taken near Cerro Armazones. described at URL: https://www.eso.org/public/images/armazon-hes-film3...

English Lunar Landing Testing at NASA Langley. Lunar Landing Testing at NASA Langley. determination method or standard: work of the federal government...

English VLT site testing near Cerro Armazones in the late 1980s. determination method or standard: SHA-1 described at URL: https://www.eso...

English 1962, the "Comprehensive Programme", site testing at Zeekoegat Station. determination method or standard: SHA-1 described at URL: https://www...

English Site testing for the VLT atop Cerro Armazones. described at URL: https://www.eso.org/public/images/armazon-hes-film9 URL: https://www.eso...

English A view high above the Integration and Test complex (center) places it in the broader context of the NASA Goddard campus. Building 29, the prominent...

English A component of the LGS launch telescope under test in a cold chamber in October 2006. determination method or standard: SHA-1 described at URL:...

juniors and seniors from Ascension Parish, Louisiana, visit the Thad Cochran Test Stand on June 6 during a tour of NASA’s Stennis Space Center. determination...

English Primary mirror segments of the ELT undergoing testing at ESO’s facility in Germany in 2012. described at URL: https://www.eso.org/public/images/eelt-5290...

English Site testing in 1994 on the Gamsberg Mountain, Nambia. described at URL: https://www.eso.org/public/images/1994-gamsberg-s-namibia URL: https://www...

English An image from 1992 showing windspeed tests at the site for VISTA (Visible and Infrared Survey Telescope for Astronomy). described at URL: https://www...

English Preparing the ELT model to be tested in the wind tunnel. determination method or standard: SHA-1 described at URL: https://www.eso...

English Two segments of the giant primary mirrors of the ELT undergoing testing at ESO’s facility in Germany. described at URL: https://www.eso...

English 1962, the "Tübingen Project", site testing at Rockdale Mt. determination method or standard: SHA-1 described at URL: https://www.eso...

English The full range of instruments for site testing on Cerro Armazones, circa 1989. determination method or standard: SHA-1 described at URL: https://www...

English One segment of the giant primary mirror of the ELT undergoing testing at ESO’s facility in Germany in 2012. described at URL: https://www.eso...

English Blunt Leading Edge Model in the Unitary Wind Tunnel high mach number test section. determination method or standard: work of the federal government...

English Working on the ELT M1 segments and supports ahead of testing. The photo was taken at the Hochbruck warehouse near Garching in Germany in early...

English Two segments of the giant primary mirror of the ELT undergoing testing at ESO’s facility in Germany in 2012. described at URL: https://www.eso...

English The remote control of the site testing instruments of La Montura, 1988. determination method or standard: SHA-1 described at URL: https://www...

English Parker Fagrelius, a DESI Collaboration member and NOIRLab scientist, tests the wedge-shaped petals for DESI’s focal plane in a clean room at Lawrence...

Astronaut Alan Shepard (right) was one of 14 astronauts, 8 NASA test pilots, and 2 McDonnell test pilots who took part in simulator studies. Shepard flew the...

English <span>VINCI was a special test instrument installed on ESO's </span>Very Large Telescope Interferometer<span> (VLTI) at the </span>Paranal Observatory<span>...

English VLT site testing in the late 1980s on top of Cerro Armazones. determination method or standard: SHA-1 described at URL: https://www.eso...

Astronaut Alan Shepard (right) was one of 14 astronauts, 8 NASA test pilots, and 2 McDonnell test pilots who took part in simulator studies. Shepard flew the...

English Going up hill towards Cerro Armazones during the site testing for the VLT around 1987. determination method or standard: SHA-1 described at URL:...

English This picture taken at ESO shows two test segments for the 39-metre primary mirror of the European Extremely Large Telescope. described at URL:...

LSST Camera cryostat and utility trunk was successfully lifted onto its test bench in mid-August 2021. determination method or standard: SHA-1 described...

English One segment of the giant primary mirror of the ELT undergoing testing at ESO’s facility in Germany in 2012. described at URL: https://www.eso...

English One segment of the giant primary mirror of the ELT undergoing testing at ESO’s facility in Germany in 2012. described at URL: https://www.eso...

software team achieved a milestone during the first multi-instrument control test on Thursday June 7. determination method or standard: SHA-1 described at...

shows a view of IC 1182, based on a mosaic of sky exposures with the VLT Test Camera through a red optical filter. determination method or standard: SHA-1...

English Blunt Leading Edge Model in the Unitary Wind Tunnel high mach number test section. determination method or standard: work of the federal government...

antennas by the Operational Support Facility building during night time testing. Image taken in March 2009. determination method or standard: SHA-1 described...

view is from Cerro Armazones towards Cerro Paranal during the VLT site testing in the late 1980s. described at URL: https://www.eso.org/public/images/armazon-hes-film8...

English ESO's new laser guide star being tested at the Allgau Observatory in Bavaria in the summer of 2011. determination method or standard: SHA-1 described...

<span></span>Yuri and Herbert, part of the ESO UHD Expedition team on the VLT platform testing some of the equipment at sunset, next to one of the <a href="https://www...

Cassegrain focus of the 8.2-m VLT Yepun telescope during balancing and flexure tests. determination method or standard: SHA-1 described at URL: https://www.eso...

engineers use numerical models to simulate the strength of the model before testing it in practice. described at URL: https://www.eso.org/public/images/EL...

prototype of the active support system for the M5 mirror of the ELT undergoing testing at ESO’s facility in Germany. described at URL: https://www.eso...

photograph of the Differential Image Motion Monitor (DIMM), during the site testing at Cerro Armazones. determination method or standard: SHA-1 described at...

Astronaut Neil Armstrong (left) was one of 14 astronauts, 8 NASA test pilots, and 2 McDonnell test pilots who took part in simulator studies. Armstrong was the...

antenna by the Operational Support Facility building during night time testing. Image taken in March 2009. determination method or standard: SHA-1 described...

Spectrograph And Array Camera) instrument undergoing thorough technical tests in the Infrared Laboratory at the ESO Headquarters in Garching (Germany)...

has been delivered to ESO at Garching, Germany and is shown undergoing tests. It is 1120 millimetres across but just 2 millimetres thick, making it much...

antennas by the Operational Support Facility building during night time testing. Image taken in March 2009. determination method or standard: SHA-1 described...

English ESO's new laser guide star being tested at the Allgäuer Observatory in Bavaria in the summer of 2011. determination method or standard: SHA-1 described...

software team achieved a milestone during the first multi-instrument control test on Thursday June 7. determination method or standard: SHA-1 described at...

antennas by the Operational Support Facility building during night time testing. Image taken in March 2009. described at URL: https://www.eso...

antennas by the Operational Support Facility building during night time testing. Image taken in March 2009. determination method or standard: SHA-1 described...

incomplete set of "baselines" used during the present, short interferometric test exposures (in interferometric terminology: the "UV-plane coverage"). determination...

English The team going up the slopes of Armazones during the VLT site testing in the late 1980s. determination method or standard: SHA-1 described at...

English The two ALMA antennas used in the project's successful test observation of "first astronomical fringes", at the Operations Support Facility at...

English ESO's new laser guide star being tested at the Allgau Observatory in Bavaria in the summer of 2011. determination method or standard: SHA-1 described...

English ESO's Hans-Emil Schuster and Massimo Tarenghi during site-testing for the VLT atop Cerro Armazones. determination method or standard: SHA-1 described...

Operations planning. Neil Phillips is on the left (a British system integration test scientist) and Pablo Carrillo is on the left (a Chilean AIV coordinator)...

English ESO's new laser guide star being tested at the Allgau Observatory in Bavaria in the summer of 2011. determination method or standard: SHA-1 described...

English <span>The ALMA VertexRSI prototype antennae on the Antenna Test Facility (ATF) site at the NRAO Very Large Array (VLA) site near Socorro (New Mexico...

at the Gemini North telescope on Hawaii’s Maunakea undergoes rigorous testing, as seen in this image from early October 2019. determination method or...

English American ALMA antennas in front of OSF building during night time testing. Image taken in March 2009. determination method or standard: SHA-1 described...

English <span>During the construction and testing of the VLT primary mirrors at the SAGEM REOSC plant.</span> determination method or standard: SHA-1...

one segment of the giant primary mirror of the ELT, which was undergoing testing at ESO’s facility in Germany in 2012. described at URL: https://www.eso...

Millimeter/submillimeter Array (ALMA) <span>Band 9 receiver undergoes testing.</span> determination method or standard: SHA-1 described at URL: https://www...

testing. described at URL: https://www.eso.org/public/images/cca_b9_bg-cc URL: https://www.eso.org/public/archives/images/original/cca_b9_bg-cc.tif determination...

series of 3-minute exposures through a red filter, obtained with the VLT Test Camera in the evening of July 28, 1998. determination method or standard:...

Observatoire de la Côte d’Azur in France, where it underwent a suite of initial tests. determination method or standard: SHA-1 described at URL: https://www.eso...

English One of the VLTI test telescopes ("siderostats") is being readied for shipment to Chile at Halfmann Teleskoptechnik in Germany. This picture was...

English ESO astronomer Hans-Emil Schuster and a guide during the site testing at La Silla observatory, early 1960s. determination method or standard:...

photograph of a technician measuring a wind tunnel model of the Little Joe test vehicle. Joseph Shortal noted that (vol. 3, p. determination method or standard:...

shows X-shooter, the first of the second generation VLT instruments, under test in the integration lab at ESO, Garching. determination method or standard:...

English Andre Müller in La Silla during ESO's site testing expedition in the early 1960s. determination method or standard: SHA-1 described at URL: https://www...

Observatory shows one of ESA’s Seeker prototype Mars rover vehicles during tests. determination method or standard: SHA-1 described at URL: https://www.eso...

English VLT site testing in the late 1980s. The team is on the way to Armazones. Hans-Emil Schuster is seen left. described at URL: https://www.eso...

Spectrograph And Array Camera) instrument undergoing thorough technical tests in the Infrared Laboratory at the ESO Headquarters in Garching (Germany)...

English Test Setup For Model Landing Investigation of a Winged Space Vehicle Image used in NASA Document TN-D-1496 1960-L-04633.01 is Figure 9a for NASA...

English ESO Photo Ambassador, Christoph Malin on the UHD Expedition testing the ground-breaking <a href="https://www.canon-europe. described at URL: https://www...

headquarters in Garching. The white hexagonal structure to the right is used to test the segments of the ELT’s primary mirror. determination method or standard:...

English Meanwhile, tests of the mechanical structure of Unit Telescope 1 (UT1) continue. They include motion around the two main axes. On this photo,...

asteroid Dimorphos, as seen by NASA's DART (Double Asteroid Redirection Test) impactor spacecraft two seconds before impact. determination method or standard:...

inside the coating tank of the coating unit for the VLT mirrors just before a test run in May 1997. determination method or standard: SHA-1 described at URL:...

English L59-4073 A model of the Mercury capsule undergoes flotation tests. -- Photograph published in Winds of Change, 75th Anniversary NASA publication...

English Testing the Transponder Based Aircraft Detection (TBAD) system at the base facility in Hilo in preparation for installation at the telescope....

English VLT site testing in the late 1980s. The team is on the way to Armazones. Hans-Emil Schuster is seen left. determination method or standard: SHA-1...

closely watching the first data captured by the instrument as the first test observations were performed. determination method or standard: SHA-1 described...

English Dr. Maud Langlois and Dr. Thomas Rimmele prepare the AO system for a test run. See the June 2003 NOAO Newsletter (currently only available in PDF format)...

English Jaques Beckers takes his meal during a break during the VLT site testing campaign in the late 1980s. determination method or standard: SHA-1 described...

English The Rubin System Integration, Test and Commissioning (SITCOM) team coordinated the fourth Operations Rehearsal for Commissioning (OR4) on the nights...

English The prototype auto-changer and carousel are being used to test the many individual components of the system and how they perform in the assembled...

area of NGC 1365 was obtained through a red (R) optical filter with the VLT Test Camera (TC), mounted at one of the Nasmyth foci of VLT UT1. described at...

aerial view of ESO's Extremely Large Telescope (ELT) was taken during a test of the operation of the doors, which will provide a 41 metre aperture when...

English The Rubin System Integration, Test and Commissioning (SITCOM) team coordinated the fourth Operations Rehearsal for Commissioning (OR4) on the nights...

housing at the Table Mountain observing site in South Africa from ESO’s testing expedition in the early 1960s. determination method or standard: SHA-1...

English The first test run for the manufacture of mirror blanks in the 8-metre class was successfully performed at the Schott Glaswerke (Mainz, Germany)...

Serrano observes as Sandrine Thomas and Bruno Quint conduct integration tests in the Rubin Observatory summit facility on Cerro Pachón in Chile. determination...

English In one of the early images taken with Rubin's 144-megapixel test camera, Rubin staff gathered for a group photo inside the observatory dome, with...

English Test Setup For Model Landing Investigation of a Winged Space Vehicle Image used in NASA Document TN-D-1496 1960-L-04633.01 is Figure 9a for NASA...

Beryllium mirror at Dornier during the Spider tests. The mirror is in front of the granite block used for the testing. determination method or standard: SHA-1...

English Test set-up of the main structure of the ESO 3.6-metre Telescope at REOSC (France), mid 1974. determination method or standard: SHA-1 described...

English The Rubin System Integration, Test and Commissioning (SITCOM) team coordinated the fourth Operations Rehearsal for Commissioning (OR4) on the nights...

English ESO Photo Ambassador Babak Tafreshi testing the Vixen Polarie Star Tracker on the VLT platform during the ESO Ultra HD Expedition. described at...

At SLAC National Accelerator Laboratory, the LSST Camera Integration and Test (I&T) team continues to integrate production rafts with the camera cryostat...

At SLAC National Accelerator Laboratory, the LSST Camera Integration and Test (I&T) team continues to integrate production rafts with the camera cryostat...

English An ALMA Digitizer prototype being tested at the Observatoire de Bordeaux. The digitizer converts analogue data from the ALMA Front End electronics...

English Rubin Observatory's engineering test camera, the Commissioning Camera (ComCam) was removed from the telescope in December 2024. determination method...

English 1962, the "Tübingen Project", site testing at Rockdale Mt. From left to right: B. van Geelen, H. Lindén and André Muller. determination method...

English Having a break near Cerro Armazones during the site testing for the VLT around 1987. described at URL: https://www.eso.org/public/images/armazon-hes-film4-3-cc...

English Construction of a shelter during the ESO´s site testing campaign at the Rockdale Mountain in South Africa, in the early 1960’s. described at URL:...

English An ALMA Digitizer prototype being tested at the Observatoire de Bordeaux. The digitizer converts analogue data from the ALMA Front End electronics...

the ObservationsKUEYEN is tilted towards the horizontal position during a test exposure sequence. (Photo obtained on March 23, 2000).Astronomical observations...

English Fremantle 1926 railway bridge flood damage weight testing...

the testing lab at the Rubin Obs Project Office in Tucson, AZ. Electro-optical testing is now complete, and the current focus is on software testing. determination...

English Rubin Observatory's engineering test camera, the Commissioning Camera (ComCam) was removed from the telescope in December 2024. determination method...

</span>ESO Supernova Planetarium & Visitor Centre<span> star roof during its test phase, as seen from inside.</span> determination method or standard: SHA-1...

English The Rubin System Integration, Test and Commissioning (SITCOM) team coordinated the fourth Operations Rehearsal for Commissioning (OR4) on the nights...

2005-01-18 02:22 Rsabbatini 700×451×8 (28919 bytes) A 48 h Mantoux (tuberculin) test being measured. US Federal Government CDC public domain image. English applies...

the testing lab at the Rubin Obs Project Office in Tucson, AZ. Electro-optical testing is now complete, and the current focus is on software testing. determination...

the testing lab at the Rubin Obs Project Office in Tucson, AZ. Electro-optical testing is now complete, and the current focus is on software testing. determination...

English The Rubin System Integration, Test and Commissioning (SITCOM) team coordinated the fourth Operations Rehearsal for Commissioning (OR4) on the nights...

English ESO staff during site testing before the construction of the Very Large Telescope. described at URL: https://www.eso.org/public/images/armazon-hes-film9-4a-cc...

English Testing of the Little Joe booster on its launcher. The launcher is positioned at its normal launch angle of 80 degrees. Joseph Shortal wrote (vol...

dummy M1 segment assembly, with position actuators (in black) visible. Two test edge sensors are also visible, attached just below the segment. determination...

English Rubin Observatory's engineering test camera, the Commissioning Camera (ComCam) was removed from the telescope in December 2024. determination method...

as observed by the 8.2-m VLT KUEYEN telescope (formerly UT2) and the VLT Test Camera on May 17, 1999, during the commissioning phase. determination method...

nucleus of Comet Wirtanen near aphelion, obtained with VLT KUEYEN and the VLT Test Camera on May 17, 1999. The total integration time is 96 min. described at...

English <span>The first test run for the manufacture of mirror blanks in the 8-metre class was successfully performed at the </span>Schott Glaswerke<span>...

celebrate the completion of a new clean room, where the lab will assemble and test the LSST camera. determination method or standard: SHA-1 described at URL:...

DescriptionEnterprise lowered into test stand.tif English: Original description: NASA NATIONAL AERONAUTICS AND SPACE ADMINISTRATION FOR RELEASE: May 8...

possible with a segmented primary mirror. Scientists at ESO have developed a test bench called Active Phasing Experiment to study a new phasing technology...

shows a view of IC 1182, based on a mosaic of sky exposures with the VLT Test Camera through a red optical filter. The image displays the intricate features...

also have a prolate (left) or oblate (right) shadow. Future EHT images will test this prediction. determination method or standard: SHA-1 described at URL:...

2-minute exposures of Comet Wild 2, obtained through a red filter with the VLT Test Camera in the early morning of July 25, 1998. described at URL: https://www...

cross-shaped object is a temporary steel mass being used to balance and test the telescope mount. determination method or standard: SHA-1 described at...

telescope at La Silla, on 21 December, 1971. The telescope was in its first test period. <span> </span> described at URL: https://www.eso.org/public/images/heckmann-schmidt...

SINFONI Adaptive Optics Module and a high-angular-resolution near-infrared Test Camera during commissioning in June 2004. determination method or standard:...

from a trip to subcontractor Asturfeito, in Spain, to review the factory test plans and procedures that will be used to verify the performance requirements...

possible with a segmented primary mirror. Scientists at ESO have developed a test bench called Active Phasing Experiment to study a new phasing technology...

possible with a segmented primary mirror. Scientists at ESO have developed a test bench called Active Phasing Experiment to study a new phasing technology...

English The first VLT M2 Beryllium Mirror in the test laboratory of DASA (Ottobrunn near Munich, Germany), during the determination of its inertia and...

inside the coating tank of the coating unit for the VLT mirrors during a test run in May 1997. The purple colour is due to the burning process of the aluminium...

Observatory and one of ESA’s Seeker prototype Mars rover vehicles during tests. determination method or standard: SHA-1 described at URL: https://www.eso...

English A tent was the shelter for people and the equipment at the site testing station in the Karoo region, South Africa, in 1955-1957. determination...

receivers designed there for NRAO to use in the ALMA data transfer undergo testing by Dave Brown. determination method or standard: SHA-1 described at URL:...

English This image shows site testing being carried out on the peak of Cerro Armazones in 1989, as part of the preparations for constructing the VLT,...

At SLAC National Accelerator Laboratory, the LSST Camera Integration and Test (I&T) team continues to integrate production rafts with the camera cryostat...

rover named Bridget (provided by Astrium, Stevenage in the UK) is being tested in the Atacama Desert close to ESO's Paranal Observatory. Bridget is part...

rover named Bridget (provided by Astrium, Stevenage in the UK) is being tested in the Atacama Desert close to ESO's Paranal Observatory. Bridget is part...

English This mosaic of the standard IRAF test image (M51, the Whirlpool Galaxy), found in every IRAF installation, is composed of plots and images taken...

Model D4-78 L59-5144 First AFSWC Javelin sounding rocket ready for flight test, July 7, 1959. determination method or standard: work of the federal government...

possible with a segmented primary mirror. Scientists at ESO have developed a test bench called Active Phasing Experiment to study a new phasing technology...

from a trip to subcontractor Asturfeito, in Spain, to review the factory test plans and procedures that will be used to verify the performance requirements...

Bosker at the Rockdale Mountain observing site in South Africa during ESO’s testing expedition in the early 1960’s. described at URL: https://www.eso...

possible with a segmented primary mirror. Scientists at ESO have developed a test bench called Active Phasing Experiment to study a new phasing technology...

English "First Light" test observation with the GIRAFFE spectrograph of about 50 high-quality spectra (10 min exposure at spectral resolution 7,000) of...

giant planet Jupiter, obtained through a narrow optical filter with the VLT Test Camera at UT1 Nasmyth Focus A on October 31, 1998, at 02:06:01.0 UT in the...

the left shows the five fields that were extensively observed with the VLT Test Camera on 23 August 1998, within the VLT UT1 Science Verification Programme...

Enard, head of the ESO Optics group, measuring the wind speed during site testing at Cerro Armazones, circa 1985. described at URL: https://www.eso...

Model D4-78 L59-5144 First AFSWC Javelin sounding rocket ready for flight test, July 7, 1959. determination method or standard: work of the federal government...

possible with a segmented primary mirror. Scientists at ESO have developed a test bench called Active Phasing Experiment to study a new phasing technology...

English The image shows part of a test spectrum of the Sun, taken by UVES in the Laboratory in Garching on October 19, 1998. The bright (nearly) horizontal...

possible with a segmented primary mirror. Scientists at ESO have developed a test bench called Active Phasing Experiment to study a new phasing technology...

Model D4-78 L59-5144 First AFSWC Javelin sounding rocket ready for flight test, July 7, 1959. determination method or standard: work of the federal government...

English Close-up of Babak Tafreshi, one of the ESO Ultra HD Expedition team, testing the Canon® EOS-1D C 4K camera at the VLT. described at URL: https://www...

English The Telescope and Site team and System Integration, Test & Commissioning team from LSST, along with personnel from vendor Tekninker, have had success...

English Four segments of the giant primary mirror of the E-ELT undergoing testing together for the first time. The assembly, at ESO’s facility in Germany...

English Inflation Tests of the Echo 1 Satellite in Weeksville, N.C. 1958-L-03603 Image Langley engineers Edwin Kilgore (center), Norman Crabill (right)...

English The image shows a tracing of a small part of the test spectrum of the Sun, taken by UVES in the Laboratory in Garching on October 19, 1998. The...

Model D4-78 L59-5144 First AFSWC Javelin sounding rocket ready for flight test, July 7, 1959. determination method or standard: work of the federal government...

English The Telescope and Site team and System Integration, Test & Commissioning team from LSST, along with personnel from vendor Tekninker, have had success...

latter contains a large construction and assembly hall, large enough to test and produce instruments for the future ELT. determination method or standard:...

H (1.65µm) exposure with (blue) and R (red) exposures made with the VLT Test Camera at Nasmyth focus. described at URL: https://www.eso.org/public/images/eso9856e...

English Herbert Zodet and Yuri Beletsky test out their cameras on each other, before embarking on another night of more serious photography. described...

possible with a segmented primary mirror. Scientists at ESO have developed a test bench called Active Phasing Experiment to study a new phasing technology...

English Inflation Tests of the Echo 1 Satellite in Weeksville, N.C. 1958-L-03603 Image Langley engineers Edwin Kilgore (center), Norman Crabill (right)...

Model D4-78 L59-5144 First AFSWC Javelin sounding rocket ready for flight test, July 7, 1959. determination method or standard: work of the federal government...

half of the enclosure of UVES is moved into the Garching integration and test facility, 10 days after the last parts of ISAAC left for Paranal. determination...

English LSST engineers carefully unpack, examine, test and store the first of six optic filters that will be installed in the camera later this year. determination...

English LSST engineers carefully unpack, examine, test and store the first of six optic filters that will be installed in the camera later this year. determination...

Guide Star for the Extremely Large Telescope (ELT) is captured during testing at the the Teide Observatory in Tenerife, Spain, in this spectacular long...

English LSST engineers carefully unpack, examine, test and store the first of six optic filters that will be installed in the camera later this year. determination...

English Inflation Tests of the Echo 1 Satellite in Weeksville, N.C. 1958-L-03603 Image Langley engineers Edwin Kilgore (center), Norman Crabill (right)...

English LSST engineers carefully unpack, examine, test and store the first of six optic filters that will be installed in the camera later this year. determination...

English Scale-model of final X-15 configuration, mounted for testing in the Langley 11-Inch Hypersonic Tunnel. determination method or standard: work...

English LSST engineers carefully unpack, examine, test and store the first of six optic filters that will be installed in the camera later this year. determination...

0.3-metre fixed telescopes used to feed the VLTI instrument VINCI during test and early science phases. The VLT Interferometer (VLTI) combines the light...

integration facilities are seen. Here, the three ALMA partners assemble and test their antennas before delivering them to the ALMA observatory. determination...

English LSST engineers carefully unpack, examine, test and store the first of six optic filters that will be installed in the camera later this year. determination...

English Helmut Abt took test exposures of star HR7306 in September 1973 in order to assess the efficiency of the newly completed coude feed telescope relative...

English An engineer tests the complex wiring which makes up thew new instrument, MUSE – Multi Unit Spectroscopic Explorer.MUSE is a second generation...

combining the V (green-yellow), R (red) and I (Near-IR) exposures with the Test Camera obtained during the VLT-UT1 Science Verification. described at URL:...

English LSST engineers carefully unpack, examine, test and store the first of six optic filters that will be installed in the camera later this year. determination...

from a trip to subcontractor Asturfeito, in Spain, to review the factory test plans and procedures that will be used to verify the performance requirements...

English LSST engineers carefully unpack, examine, test and store the first of six optic filters that will be installed in the camera later this year. determination...

obtained with the SINFONI AO Module and a high-angular-resolution near-infrared Test Camera during the night of May 31 - June 1, 2004. The magnitude of the observed...

English The MELT, or miniscule-ELT, is a unique test bench for ESO's future Extremely Large Telescope (ELT). The main goal of the MELT is to recreate the...

Facility Launched from an overhead pendulum device, this Apollo spacecraft was tested in the Impact Structures Facility to determine water-landing characteristics...

station collects data at one of the locations (Zeekoegat or Klaverlei farm), tested in South Africa in the early 1960s.<span></span> determination method or...

English The PRIMA instrument for the VLT Interferometer is shown here during testing in Garching. The two combined beams of the PRIMA fringe sensor unit (FSU)...

50-inch (1.3-meter) telescope. This picture shows a solid state array under test in mid 1987 (probably during May). determination method or standard: SHA-1...

English The Telescope and Site team and System Integration, Test & Commissioning team from LSST, along with personnel from vendor Tekninker, have had success...

National Accelerator Laboratory, the LSST Camera team conducted a successful test in mid-October 2020, verifying the clearance between the filters and the...

integration facilities are seen. Here, the three ALMA partners assemble and test their antennas before delivering them to the ALMA observatory. described...

National Accelerator Laboratory, the LSST Camera team conducted a successful test in mid-October 2020, verifying the clearance between the filters and the...

Facility Launched from an overhead pendulum device, this Apollo spacecraft was tested in the Impact Structures Facility to determine water-landing characteristics...

English The Telescope and Site team and System Integration, Test & Commissioning team from LSST, along with personnel from vendor Tekninker, have had success...

English The Telescope and Site team and System Integration, Test & Commissioning team from LSST, along with personnel from vendor Tekninker, have had success...

June 4, 1959. Photograph published in A New Dimension Wallops Island Flight Test Range: The First Fifteen Years by Joseph Shortal. determination method or...

National Accelerator Laboratory, the LSST Camera team conducted a successful test in mid-October 2020, verifying the clearance between the filters and the...

colour composite of the HDF-S NICMOS field, constructed by combining VLT Test Camera images in U+B and R bands with a HST NICMOS near-IR H-band exposure...

galaxy clusters to study the properties of gravity on cosmic scales and test Einstein's theory of General Relativity. determination method or standard:...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

stand and are now preparing it for a 10-week functional and electro-optical test run. determination method or standard: SHA-1 described at URL: https://noirlab...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English System Integration, Test and Commissioning (SIT-COM) team members Johnny Estevez and Chris Stubbs at work, characterizing the twilight sky brightness...

English Members of the Aerospace States Association stand at the Thad Cochran Test Stand on June 25 during a visit to NASA’s Stennis Space Center. determination...

Observatory Education and Public Outreach (EPO) team hosted a virtual user-testing workshop for teachers from the National Earth Science Teachers Association...

English The Telescope and Site team and System Integration, Test & Commissioning team from LSST, along with personnel from vendor Tekninker, have had success...

English System Integration, Test and Commissioning (SIT-COM) team members Johnny Estevez and Chris Stubbs at work, characterizing the twilight sky brightness...

Observatory Education and Public Outreach (EPO) team hosted a virtual user-testing workshop for teachers from the National Earth Science Teachers Association...

English The Telescope and Site team and System Integration, Test & Commissioning team from LSST, along with personnel from vendor Tekninker, have had success...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

its temporary housing atop Kitt Peak, March 1956. The 16-inch was used to test site conditions before Kitt Peak was selected as the main site for the National...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English Lunar landing test of LEM at Lunar Landing Research Facility (LLRF). determination method or standard: work of the federal government of the United...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

rover named Bridget (provided by Astrium, Stevenage in the UK) is being tested in the Atacama Desert close to ESO's Paranal Observatory. Bridget is part...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

Observatory Education and Public Outreach (EPO) team hosted a virtual user-testing workshop for teachers from the National Earth Science Teachers Association...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English Astronomers have used a large survey to test a prediction that close encounters between galaxies can trigger the rapid growth of supermassive black...

stand and are now preparing it for a 10-week functional and electro-optical test run. determination method or standard: SHA-1 described at URL: https://noirlab...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English The technical group at site testing in South Africa in 1959. On the left is Mr. Fehrenbach and on the right is Mr. Hooghout. At that time, South...

prepare main structural element (Bus) of CXO spacecraft for vibration testing at TRW (now NGST), Redondo Beach, CA. determination method or standard:...

English Members of the ESO Council inspects the VLT Test Assembly at the Ansaldo factory in Milan in connection with the ESO Council Meeting on 8 November...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

Creative Commons Attribution 4.0 truetrue English SpaceX Rocket Development and Test Facility (McGregor, TX) (2023-06-09-03-26-21_UMBRA-05) determination method...

you’re not alone; parts of the desert shown here are actually used by NASA to test the space agency’s Mars rovers determination method or standard: SHA-1 described...

Technology Telescope (NTT) rests on its active support system during the final tests at the Carl Zeiss (Federal Republic of Germany) works in Oberkochen, FRG...

English SLAC's LSST team carefully unpack, examine, test and store the r-band filter, the first of six optic filters that will be part of the completed...

scheduled National Optical Astronomy Observatories (NOAO) Science Cafe to test their online investigations, currently in development, with local high school...

scheduled National Optical Astronomy Observatories (NOAO) Science Cafe to test their online investigations, currently in development, with local high school...

English B-32 Model Close Up. Test conducted in the NACA 19 foot pressure tunnel LMAL-38560 NACA document. determination method or standard: work of the...

English The Final Acceptance Test Review for the Coating Chamber took place in La Serena, Chile May 20-24. Many people were involved in getting the Coating...

English Model of Mercury being tested in the Unitary Plan Wind Tunnel. determination method or standard: work of the federal government of the United States...

English B-32 Model Close Up. Test conducted in the NACA 19 foot pressure tunnel LMAL-38560 NACA document. determination method or standard: work of the...

English B-32 Model Close Up, Test conducted in the NACA 19 foot pressure tunnel LMAL-38560 NACA document. determination method or standard: work of the...

a "globular duster" pinhole mask in the April 1993 WFPC2 Thermal Vacuum test at JPL (Pasadena, CA). determination method or standard: work of the federal...

English B-32 Model Close Up. Test conducted in the NACA 19 foot pressure tunnel LMAL-38560 NACA document. determination method or standard: work of the...

documenting the lingering aftermath of the NASA’s Double Asteroid Redirection Test (DART) impact. determination method or standard: work of the federal government...

English Detail Shots of B-32 Turret. Test conducted in the NACA 19 foot pressure tunnel LMAL-38560 NACA document. determination method or standard: work...

English Gun turrets of XP-35. Test conducted in the NACA 19 foot pressure tunnel LMAL-38560 NACA document. determination method or standard: work of the...

English Detail Shots of B-32 Turret. Test conducted in the NACA 19 foot pressure tunnel LMAL-38560 NACA document. determination method or standard: work...

Vera C. Rubin Observatory summit team conducted successful dome endurance tests on 27 March 2025, focusing on evaluating the performance of the dome’s capacitor...

English Detail Shots of B-32 Turret. Test conducted in the NACA 19 foot pressure tunnel LMAL-38560 NACA document. determination method or standard: work...