Delta 5920-8 | COBE
Launch Successful
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Instantaneous launch window.
Launch Window
Nov. 18, 1989, 2:34 p.m. - Nov. 18, 1989, 2:34 p.m.
Instantaneous launch window.
Nov. 18, 1989, 2:34 p.m. - Nov. 18, 1989, 2:34 p.m.
Cosmology research satellite
The Delta 5000 series was an American expendable launch system which was used to conduct an orbital launch in 1989. It was a member of the Delta family of rockets. Although several variants were put forward, only the Delta 5920 was launched.
By John Mather The Cosmic Background Explorer satellite (COBE) went up on a Delta rocket on Nov. 18, 1989, into a polar sun-synchronous orbit 900 km up. Our team at NASA Goddard Space Flight Center (GSFC), Ball Aerospace, the Jet Propulsio…
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