bn:17358754n
Noun Named Entity
Categories: Ultraviolet telescopes, United States spacecraft stubs, Astronomical observatory stubs, Spacecraft launched in 1968
EN
Orbiting Astronomical Observatory 2  Stargazer  Celescope  OAO-2  OAO-2 Stargazer
EN
The Orbiting Astronomical Observatory 2 was the first successful space telescope, launched on December 7, 1968. Wikipedia
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EN
The Orbiting Astronomical Observatory 2 was the first successful space telescope, launched on December 7, 1968. Wikipedia