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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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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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
