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NASA’s Stratospheric Observatory for Infrared Astronomy

NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) enters the Lufthansa Technik hangar in Hamburg, Germany.
NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) enters the Lufthansa Technik hangar in Hamburg, Germany for its decadal inspection. Flight, aircraft maintenance, and science personnel from the Armstrong Flight Research Center worked alongside Lufthansa's 747 specialists to perform a wide range of inspections and maintenance.

NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA) enters the Lufthansa Technik hangar in Hamburg, Germany for its decadal inspection. Flight, aircraft maintenance, and science personnel from the Armstrong Flight Research Center worked alongside Lufthansa’s 747 specialists to perform a wide range of inspections and maintenance.

Water vapor in the Earth’s atmosphere absorbs infrared radiation, preventing a large section of the infrared spectrum from reaching ground-based observatories. SOFIA is a heavily modified Boeing 747 Special Performance jetliner that flies at altitudes between 39,000 to 45,000 feet (12 to 14 km), above more than 99 percent of Earth’s atmospheric water vapor giving astronomers the ability to study celestial objects at wavelengths that cannot be seen from ground-based observatories.

More information on SOFIA.

Image Credit: NASA/ Jeff Doughty