Quote:
Originally Posted by Ronald Brak
Thanks. I remember the solar observatory on Skylab now, and pictures of ancient river beds beneath the Sahara from a shuttle mission.
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The Sahara rivers were imaged during the first Shuttle Imaging radar mission (SIR-A) back in 1981 (STS-2). The mission also discovered the network of Mayan irrigation channels in Guatemala. Later Shuttle radar missions before the SRTM the SIR-B and two SIR-C missions, I seem torecall there was German microwave radar on one of the Spacelab missions.
Jon