Second Small Astronomy Satellite

Second Small Astronomy Satellite

The Second Small Astronomy Satellite, also known also as SAS-2, SAS B or Explorer 48, was a NASA gamma ray telescope. It was launched on 15 November 1972 into low Earth orbit with a periapsis of 443 km and an apoapsis of 632 km). It completed its observations on 8 June 1973.cite web | url=http://nssdc.gsfc.nasa.gov/nmc/spacecraftOrbit.do?id=1972-091A | title=NASA - NSSD - Spacecraft - Trajectory Details (SAS-B) | publisher=NASA | accessdate=2008-02-27] cite web | url=http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1972-091A | title=NASA - NSSDC - Spacecraft - Details (SAS-B) | publisher=NASA | accessdate=2008-02-27]

SAS-2 first detected Geminga, a pulsar believed to be the remnant of a supernova that exploded 300,000 years ago. [ [http://www.daviddarling.info/encyclopedia/G/Geminga.html Geminga] , The Internet Encyclopedia of Science]

ee also

* Uhuru (satellite) (First Small Astronomy Satellite or SAS-1)
* Third Small Astronomy Satellite (SAS-3)

References


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