SOFIA - The airborne infrared observatory
On 21 and 22 January 2011, the German Receiver for Astronomy at Terahertz Frequencies, GREAT, was installed on Stratospheric Observatory For Infrared Astronomy, SOFIA, for the first time. The installation and first tests were successful. Further tests will follow before the first scientific flight of SOFIA with GREAT on board takes place in April 2011.
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