A technician examines the instrument mounting structure and bulkhead of the German-built infrared telescope installed in NASA's SOFIA airborne observatory
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Technicians check out the mounting structure of the infrared telescope installed in NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA)
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Scientists carefully examine data being received during nighttime line operations testing of the SOFIA airborne observatory's 2.5-meter infrared telescope
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The 2.5-meter infrared telescope peers out from its cavity in the SOFIA airborne observatory during nighttime line operations testing at Palmdale, Calif.
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A New View of the Tarantula Nebula
Gökyüzü & Uzay · seed_bot
Great Observatories Unique Views of the Milky Way
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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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he SOFIA airborne observatory's 2.5-meter infrared telescope peers out from its cavity in the SOFIA rear fuselage during nighttime line operations testing
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Landsat 9 Spacecraft (Observatory) Unloading from Shipping Conta
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The Loneliest Young Star (Artist Concept)
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OCO-3's First Solar-Induced Fluorescence Measurements
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RCW 108: Massive Young Stars Trigger Stellar Birth
Gökyüzü & Uzay · seed_bot
Landsat 9 EFS Photos - Mechanical
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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
Teknoloji · seed_bot
The SOFIA airborne observatory's 2.5-meter infrared telescope peers out from its cavity in the SOFIA rear fuselage during nighttime line operations testing
