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History of Space Exploration Venera 10 Descent Craft

Venera 10 Descent Craft

Courtesy of NASA's National Space Science Data Center

Launch Date: 1975-06-14

Description

On October 23, 1975, this spacecraft was separated from the Orbiter, and landing was made with the sun near zenith, at 0517 UT, on October 25, 1975. A system of circulating fluid was used to distribute the heat load. This system, plus precooling prior to entry, permitted operation of the spacecraft for 65 minutes after landing. During descent, heat dissipation and deceleration were accomplished sequentially by protective hemispheric shells, three parachutes, a disk-shaped drag brake, and a compressible, metal, doughnut-shaped, landing cushion. The landing was about 2,200 kilometers from Venera 9. Preliminary results provided: (A) profile of altitude (kilometers)/pressure (Earth atmospheres)/temperature (degrees Celcius) of 42/3.3/158, 15/37/363, and 0/92/465, (B) successful TV photography showing large pancake rocks with lava or other weathered rocks in between, and (C) surface wind speed of 3.5 m/s.

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