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Open telescope cavity door of NASA's flying observatory.

SOFIA Observatory Finishes Open-Door Flight Tests .

Movie Number   EM-0095-30
Movie Date   August 20, 2010
Formats   960x540 QuickTime Movie (35.2 MB)
No narration (12 MB)
No narration (36.7 MB)
1280x720 QuickTime Movie (340.4 MB)
SOFIA telescope Still photos of this aircraft are available in several resolutions at

NASA's SOFIA flying observatory recently completed the second series of envelope-expansion flight tests with its telescope door open. The SOFIA is now fully cleared for astronomy missions at altitudes up to 45,000 feet and telescope elevations up to 58 degrees. After installation and checkout of remaining systems, the airborne observatory will begin infrared astronomy missions late this year.
Total time: 77 seconds

Keywords   NASA's flying observatory, test flights, in-flight fully opening of the telescope cavity door.
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