The German-built 100-inch telescope that is the heart of NASA's Stratospheric Observatory for Infrared Astronomy is nestled in the SOFIA 747's rear fuselage
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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.
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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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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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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
