The Pioneer Venus Orbiter, also known as Pioneer Venus 1 or Pioneer 12, was a mission to Venus conducted by NASA as part of the Pioneer Venus project...
41 KB (4,170 words) - 05:38, 27 December 2023
The Pioneer Venus project was part of the Pioneer program consisting of two spacecraft, the Pioneer Venus Orbiter and the Pioneer Venus Multiprobe, launched...
8 KB (803 words) - 23:36, 22 April 2024
Whereas the probes entered the atmosphere in 1978, the Pioneer Venus Orbiter would stay in orbit throughout the 1980s and the early 1990s. The next major...
43 KB (4,371 words) - 19:59, 23 April 2024
Venus has an orbit with a semi-major axis of 0.723 au (108,200,000 km; 67,200,000 mi), and an eccentricity of 0.007. The low eccentricity and comparatively...
13 KB (1,562 words) - 17:26, 15 January 2024
return to the inner Solar System, with the Pioneer Venus Orbiter and Multiprobe, this time using orbital insertion rather than flyby missions. The new...
10 KB (815 words) - 09:16, 29 March 2024
minutes after reaching the surface. The Pioneer Venus Orbiter was inserted into an elliptical orbit around Venus on December 4, 1978. It carried 17 experiments...
80 KB (6,932 words) - 03:17, 3 March 2024
2001 Mars Odyssey (redirect from Mars Surveyor 2001 Orbiter)
longest-surviving continually active spacecraft in orbit around a planet other than Earth, ahead of the Pioneer Venus Orbiter (served 14 years) and the Mars Express...
29 KB (2,535 words) - 16:35, 25 April 2024
conditions of the Venusian surface. Data from the radar mapper on the Pioneer Venus orbiter suggested an explanation in terms of chemical composition. It was...
5 KB (501 words) - 15:23, 4 January 2024
and have been designated Pioneer 12; that designation was later applied to the Pioneer Venus Orbiter. As planning for the Pioneer 10 and 11 missions progressed...
5 KB (528 words) - 21:03, 25 September 2023
harboring life forms. The surface of Venus is comparatively flat. When 93% of the topography was mapped by Pioneer Venus Orbiter, scientists found that the total...
50 KB (6,395 words) - 03:32, 3 April 2024