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.
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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.
› Read SOFIA Mission Update 11-17-08November 12, 2008
NASA Photo / Tom Tschida