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|Mission type||Venus atmospheric probe|
|Mission duration||127 days|
|Spacecraft||2V (V-69) No.331|
|Launch mass||1,130 kilograms (2,490 lb)|
|Dry mass||410 kilograms (900 lb)|
|Start of mission|
|Launch date||10 January 1969, 05:51:52UTC|
|Launch site||Baikonur 1/5|
|End of mission|
|Last contact||17 May 1969|
|Venus atmospheric probe|
|Atmospheric entry||17 May 1969|
Venera 6 (Russian: Венера-6 meaning Venus 6), manufacturer's designation: 2V (V-69) No.331, was a Soviet spacecraft, launched towards Venus to obtain atmospheric data. It had an on-orbit dry mass of 1,130 kilograms (2,490 lb).
The spacecraft was very similar to Venera 4 although it was of a stronger design. When the atmosphere of Venus was approached, a capsule with a mass of 405 kilograms (893 lb) was jettisoned from the main spacecraft. This capsule contained scientific instruments.
During descent towards the surface of Venus, a parachute opened to slow the rate of descent. For 51 min on May 17, 1969, while the capsule was suspended from the parachute, data from the Venusian atmosphere were returned. It landed at.
Given the results from Venera 4, the Venera 5 and Venera 6 landers contained new chemical analysis experiments tuned to provide more precise measurements of the atmosphere's components. Knowing the atmosphere was extremely dense, the parachutes were also made smaller so the capsule would reach its full crush depth before running out of power (as Venera-4 had done).
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