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- Orbiting Astronomical Observatory B

NASA · Public domain · Wikimedia Commons
Spacecraft
Orbiting Astronomical Observatory B
Facts
LaunchNovember 30, 1970
ManufacturerGrumman
Launch vehicleAtlas SLV-3C Centaur-D
Typespace telescope
Mass2,123 kg
Country of originUnited States
Sources: Wikidata (CC0) · Wikidata Q112913694