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Venera 4 (Russian: Венера-4, lit. 'Venus-4'), also designated 4V-1 No.310, was a probe in the Soviet Venera program for the exploration of Venus.The probe comprised a lander, designed to enter the Venusian atmosphere and parachute to the surface, and a carrier/flyby spacecraft, which carried the lander to Venus and served as a communications relay for it.
Model of a Venera lander. Venera 13 and 14 (1981–82) each had a descent craft/lander that contained most of the instrumentation and electronics, and a flyby spacecraft that was used as a communications relay. The design was similar to the earlier Venera 9–12 landers.
(3MV-1 No.4) 2 April 1964: OKB-1 Soviet Union: Flyby/Lander Spacecraft failure Electronics shorted out, communications lost before flyby. [11] Flew past Venus on 14 July 1964. Molniya-M: Venera 2 (3MV-4 No.4) 12 November 1965: OKB-1 Soviet Union: Flyby Spacecraft failure Flew past Venus on 27 February 1966, closest approach at 02:52 UTC.
Capsule of Venera-4 in Memorial Museum of Astronautics. The descent capsule of Venera 4 entered the atmosphere of Venus on October 18, 1967, making it the first probe to return direct measurements from another planet's atmosphere. The capsule measured temperature, pressure, density and performed 11 automatic chemical experiments to analyze the ...
After Venera 4's failure to reach the surface of Venus intact, the next 3MV probes (Venera 5 and 6) were strengthened again, this time to withstand a 450-g (compared to the 300-g entry of Venera 4) re-entry due to the 1969 launch window's higher velocity. The V-70 design took this further, with the capsule being slightly more egg-shaped.
The spacecraft was named Kosmos 96, part of a series typically used for military and experimental satellites in order to cover up the failure. Had it departed Earth's orbit, it would have received the next designation in the Venera series, at the time Venera 4. Kosmos 96 was destroyed when it re-entered the Earth's atmosphere on 9 December 1965 ...
Venera 3 was intended to soft-land on Venus. Contact with the spacecraft was lost before arrival, and Venera 3 crashed. [1] Venera 4: Venus 12 June 1967 Molniya 8K78M Baikonur 1/5 18 October 1967 entered atmosphere: 129 days (4 mo, 7 d) Venera 4, a Venus atmosphere probe, continued to transmit to an altitude of 25 km [2] Venera 5: Venus 5 ...
Venera 4V-2 (Russian: Венера 4В-2) was a series of two identical spacecraft sent to Venus by the Soviet Union, consisting of Venera 15 and Venera 16. [1] Both uncrewed orbiters were to map the surface of Venus using high resolution imaging systems. The spacecraft were identical and based on modifications to the earlier Venera space probes.
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