NASA planetary programs
Article first published online: 3 JUN 2011
©1980. American Geophysical Union. All Rights Reserved.
Eos, Transactions American Geophysical Union
Volume 61, Issue 21, page 465, 20 May 1980
How to Cite
1980), NASA planetary programs, Eos Trans. AGU, 61(21), 465–465, doi:10.1029/EO061i021p00465-01.(
- Issue published online: 3 JUN 2011
- Article first published online: 3 JUN 2011
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Money to start work on the Venus Orbital Imaging Radar (Voir) mission and the Halley's comet/Tempel 2 project was deleted from NASA's 1981 budget, but according to NASA planners, the agency could still execute those missions with minimum delay through the use of alternative strategies.
This year's version of the long-range plans that are drawn up annually by NASA divisions, and which are used by the agency in preparing for-the coming year's budget process, indicates that through the use of ‘aerobraking,’ a technique which would put a spacecraft into a circular orbit around Venus by using the planet's atmosphere to slow it down, Voir could orbit Venus in 1986. The proposal calls for a launch date of August 1986 and an arrival date in December of that year.