The Compton Gamma-Ray Observatory prior to deployment, still attached to space shuttle Atlantis by the robot arm, during the STS-37 mission in April 1991.NASA's Compton Gamma Ray Observatory drifts away from the space shuttle Atlantis on April 7, 1991, following its deployment during the STS-37 mission. Compton's successful career ended in June 2000 when the observatory reentered Earth's atmosphere.
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The Compton Gamma-Ray Observatory prior to deployment, still attached to space shuttle Atlantis by the robot arm, during the STS-37 mission in April 1991.NASA/STS-37 crew
NASA's Compton Gamma Ray Observatory drifts away from the space shuttle Atlantis on April 7, 1991, following its deployment during the STS-37 mission. Compton's successful career ended in June 2000 when the observatory reentered Earth's atmosphere.NASA/Ken Cameron
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Mission name: CGRO

Compton Gamma Ray Observatory

Observing the high-energy Universe

Mission news and discoveries