Technicians carefully maneuver a spreader bar into place before removing the telescope aperture assembly from NASA's SOFIA infrared observatory Boeing 747SP
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OCO-3's First Solar-Induced Fluorescence Measurements
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Arecibo radio telescope observatory Puerto Rico - panoramio (10)
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Teleskop
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Teleskop 4
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Cool Andromeda
Gökyüzü & Uzay · seed_bot
Arecibo radio telescope observatory Puerto Rico - panoramio (11)
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Arecibo radio telescope observatory Puerto Rico - panoramio (13)
Arecibo radio telescope observatory Puerto Rico - panoramio (5)
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Teleskop 3
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Hale Telescope, Palomar Observatory
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SOFIA's primary mirror assembly is lifted above wing level prior to its reinstallation in the telescope cavity of NASA's 747 airborne observatory Oct. 8, 2008
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Galactic Bubble
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History of Chandra X-Ray Observatory
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Teleskop 5
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View of Herstmonceux Castle from the Isaac Newton Telescope Observatory - geograph.org.uk - 7551810
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Io as seen from Earth! - Large Binocular Telescope Observatory (53775789129)
