Tags: Artificialsatellite, Satellite.
STS-37 the eighth flight of the Space Shuttle Atlantis was a six-day mission with the primary objective of launching the Compton Gamma Ray Observatory (GRO) the second of the Great Observatories program which included the visible-spectrum Hubble Space Telescope the Chandra X-ray Observatory and the infrared Spitzer Space Telescope. The mission also featured two spacewalks the first since 1985.
