The rear fuselage of the Stratospheric Observatory for Infrared Astronomy's 747SP is illuminated during telescope testing operations in preparation for aircraft and science checkout flights.
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The rear fuselage of the Stratospheric Observatory for Infrared Astronomy’s 747SP is illuminated during telescope testing operations in preparation for aircraft and science checkout flights. The telescope cavity door is open with the lower flexible door partially extended.September 24, 2009
NASA Photo / Tom Tschida