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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.
The Doppler measurements of the Venera 4 to 7 probes were the first evidence of the existence of zonal winds with high speeds of up to 100 metres per second (330 ft/s, 362 km/h, 225 mph) in the Venusian atmosphere (super rotation). Along with the pressure and temperature data acquired Venera 7 also measured atmospheric composition. [7] [5]
(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.
Venera 4's battery ran out while still slowly floating through the massive atmosphere, and Venera 5 and 6 were crushed by high pressure 18 km (60,000 ft) above the surface. The first successful landing on Venus was by Venera 7 on December 15, 1970 — the first successful soft (non-crash) landing on another planet, as well as the first ...
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 ...
The European Space Agency released four stunning images last week that show the sun in all its fiery glory. The images, obtained in March 2023 by the ESA's Solar Orbiter, represent what the agency ...
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.