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April 7, 1991: Compton Gamma Ray Observatory is deployed

  • Posted on April 7, 2026
  • By Astronomy
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  • 1 min read
April 7, 1991: Compton Gamma Ray Observatory is deployed
April 7, 1991: Compton Gamma Ray Observatory is deployed

Today in the history of astronomy, the second of NASA’s four great observatories makes its debut.
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Author
Astronomy

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