Beskrivning : The mission was funded through the Small Explorer program to investigate the physical conditions of the solar limb, particularly the chromosphere of the Sun. The spacecraft consists of a satellite bus and spectrometer built by the Lockheed Martin Solar and Astrophysics Laboratory (LMSAL), and a telescope provided by the Smithsonian Astrophysical Observatory. IRIS is operated by LMSAL and NASA`s Ames Research Center.
Vandenberg post stamp.

USA 2981 - picture enhanced ?

Sida : future · Ref: USA 2981 

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Rymdhändelse :

IRIS (Interface Region Imaging Spectrograph) · PEGASUS XL · SOLAR OBSERVATORY