Third Small Astronomy Satellite
From Wikipedia, the free encyclopedia
The Third Small Astronomy Satellite was a space telescope operated by NASA. It functioned from May 1975 to April 1979. It covered the X-ray range and to this end had four X-ray experiments onboard.
[edit] References
HEASARC: Observatories - The Third Small Astronomy Satellite (SAS-3). NASA. Retrieved on 2008-03-03.