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Venera 10
Venera 10 Mission to Venus

Goals: Like its twin, Venera 9, the Venera 10 mission called for an orbiter and a lander to explore Venus. The orbiter was to act as a communications relay and study Venus from above while the lander descended via parachute to study and photograph the planet's surface.

Accomplishments: Venera 10 arrived at Venus three days after its twin. Though 2,200 km (1,367 miles) closer to the equator than Venera 9, the Venera 10 lander measured a temperature only 5°C (9°F) hotter. Atmospheric pressure at the surface was found to be 92 times that of Earth at sea level. As in the Venera 9 mission, the orbiter served as a communications relay for the lander while imaging the atmosphere in ultraviolet light and conducting other experiments. The lander transmitted data for a then record 65 minutes, including a panoramic picture of Venus' surface. Gamma ray readings suggested a basaltic surface in agreement with measurements by Venera 9, though the landscape appeared to be older than that of Venera 9's landing site.


Key Dates
14 Jun 1975:  Launch
25 Oct 1975:  Venus Landing (01:02 UT)
Status: Successful
Fast Facts
Venera 10 Facts gravity acceleration as high as 168 g and temperatures as high 12,000°C during its descent to Venus.

Images (right) show the spacecraft landed in a smoother region than its twin Venera 9.

Venera 10 landed closer to the equator than Venera 9 but found temperature differences of only a few desgress.
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Last Updated: 2 Dec 2010