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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Crab Nebula, as Seen by Herschel and Hubble
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Teleskop
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Teleskop 4
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Landsat 9 Spacecraft (Observatory) Lift Off of Remaining Contain
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Rocky Ring of Debris Around Vega Artist Concept
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Smeared and Magnified Galaxy
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Supernova Seen In Two Lights
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30 Doradus: The Growing Tarantula Within
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Cosmic Sparklers
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Trigger-Happy Cloud
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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.