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- Orbiting_Astronomical_Observatory_2 abstract "OAO-2 Stargazer (Orbiting Astronomical Observatory 2) was a space observatory launched on December 7, 1968, with the nickname Stargazer. An Atlas-Centaur rocket launched it into a nearly circular 750 kilometres (470 mi) altitude Earth orbit. Data was collected in ultraviolet on many sources including comets, planets, and galaxies. It had two major instrument sets facing in opposite directions; the Smithsonian Astrophysical Observatory (SAO) and the Wisconsin Experiment Package (WEP). One discovery was large halos of hydrogen gas around comets, and it also observed Nova Serpentis.The Smithsonian Astrophysical Observatory, also called Celescope, had four 12 inch Schwarzschild telescopes that fed into Uvicons. Various filters, photocathodes, and electronics aided in collecting data in several ultraviolet light passbands. The experiment was completed in April 1970. By the time it finished about 10 percent of the sky was observed.The Wisconsin Experiment Package had eleven different telescopes for ultraviolet observations. For example, there was a photoelectric photometer fed by a 16 inch telescope with a six-position filter wheel. WEP observed over 1200 targets in ultraviolet light before the mission ended in early 1973.".
- Orbiting_Astronomical_Observatory_2 cosparId "1968-110A".
- Orbiting_Astronomical_Observatory_2 wikiPageExternalLink 1978ApJ...223..185M.
- Orbiting_Astronomical_Observatory_2 wikiPageID "40769155".
- Orbiting_Astronomical_Observatory_2 wikiPageRevisionID "592260318".
- Orbiting_Astronomical_Observatory_2 apsis "gee".
- Orbiting_Astronomical_Observatory_2 cosparId "1968".
- Orbiting_Astronomical_Observatory_2 launchDate "--12-07".
- Orbiting_Astronomical_Observatory_2 launchRocket Atlas-Centaur.
- Orbiting_Astronomical_Observatory_2 launchSite Cape_Canaveral_Air_Force_Station.
- Orbiting_Astronomical_Observatory_2 launchSite Spaceport_Florida_Launch_Complex_36.
- Orbiting_Astronomical_Observatory_2 manufacturer Grumman.
- Orbiting_Astronomical_Observatory_2 missionType "Astronomy".
- Orbiting_Astronomical_Observatory_2 name "Orbiting Astronomical Observatory 2".
- Orbiting_Astronomical_Observatory_2 operator NASA.
- Orbiting_Astronomical_Observatory_2 orbitEpoch "1969-01-06".
- Orbiting_Astronomical_Observatory_2 orbitInclination "35".
- Orbiting_Astronomical_Observatory_2 orbitPeriod "6018.0".
- Orbiting_Astronomical_Observatory_2 orbitReference Geocentric_orbit.
- Orbiting_Astronomical_Observatory_2 orbitRegime Low_Earth_orbit.
- Orbiting_Astronomical_Observatory_2 satcat "3597".
- Orbiting_Astronomical_Observatory_2 subject Category:Spacecraft_launched_in_1968.
- Orbiting_Astronomical_Observatory_2 subject Category:Ultraviolet_telescopes.
- Orbiting_Astronomical_Observatory_2 type ArtificialSatellite.
- Orbiting_Astronomical_Observatory_2 type Satellite.
- Orbiting_Astronomical_Observatory_2 type Thing.
- Orbiting_Astronomical_Observatory_2 comment "OAO-2 Stargazer (Orbiting Astronomical Observatory 2) was a space observatory launched on December 7, 1968, with the nickname Stargazer. An Atlas-Centaur rocket launched it into a nearly circular 750 kilometres (470 mi) altitude Earth orbit. Data was collected in ultraviolet on many sources including comets, planets, and galaxies. It had two major instrument sets facing in opposite directions; the Smithsonian Astrophysical Observatory (SAO) and the Wisconsin Experiment Package (WEP).".
- Orbiting_Astronomical_Observatory_2 label "Orbiting Astronomical Observatory 2".
- Orbiting_Astronomical_Observatory_2 sameAs m.0y6cggp.
- Orbiting_Astronomical_Observatory_2 sameAs Q15261041.
- Orbiting_Astronomical_Observatory_2 sameAs Q15261041.
- Orbiting_Astronomical_Observatory_2 wasDerivedFrom Orbiting_Astronomical_Observatory_2?oldid=592260318.
- Orbiting_Astronomical_Observatory_2 isPrimaryTopicOf Orbiting_Astronomical_Observatory_2.