Venera 14's Lens Cap Blunder Overshadows Historic Venus Surface Measurements
On 5 March 1982, the Soviet Venera 14 lander successfully reached the surface of Venus, surviving extreme temperatures of 465°C and pressures 90 times Earth's. After ejecting its camera lens cap and photographing the terrain, its mechanical soil-testing arm accidentally pressed onto the discarded lens cap instead of the ground, measuring the compressibility of Soviet plastic. This humorous mishap has overshadowed the mission's genuine scientific achievements: Venera 14 and its twin Venera 13, launched five days apart in 1981, returned the only direct measurements of Venusian surface rock chemistry ever obtained. The landers, built like submarines with a design life of 32 minutes, used pre-chilled interiors and phase-change materials to delay heat penetration. The article provides detailed context on Venus's hostile environment and the engineering challenges faced by Soviet designers at the Lavochkin bureau.
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