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The Pioneer Venus Orbiter, also known as Pioneer Venus 1 or Pioneer 12, was a mission to Venus conducted by NASA as part of the Pioneer Venus project. Launched in May 1978 atop an Atlas-Centaur rocket, the spacecraft was inserted into an elliptical orbit around Venus on December 4, 1978. It returned data from Venus until October 1992. [2] [4]
Orbiter Successful Entered orbit 11 April 2006. Full communications lost on 28 November 2014 [15] Soyuz-FG/Fregat: Akatsuki: 20 May 2010: JAXA Japan: Orbiter Mostly successful Flew past Venus on 6 December 2010 after failing to enter orbit. Insertion was successfully reattempted on 7 December 2015. Last contact April 2024 H-IIA 202: IKAROS: 20 ...
- Mariner 2 — First Successful Venus Flyby
- Venera 4 — Atmosphere Probe
- Mariner 5 — Flyby
- Veneras 5 and 6 — Atmosphere Probes
- Venera 7 — First Successful Venus Landing
- Venera 8 — Venus Lander
- Mariner 10 — Flyby of Venus en Route to Mercury
- Veneras 9 and 10 — Venus Orbiters and Landers
- Pioneer Venus Orbiter and Multiprobe — Venus Orbiter and Probes
- Veneras 11 and 12 — Venus Flyby Buses and Landers
Mariner 2 was the first successful mission not only to Venus, but to any other planet. It made a flyby of Venus on Dec. 14, 1962. The NASA spacecraft recorded Venus' temperature for the first time, showing it has a surface temperature of roughly 900 degrees Fahrenheit (480 degrees Celsius). The spacecraft also detected the density, composition and ...
Venera 4 was a Soviet Union spacecraft that was the first to successfully transmit information from the atmosphere of Venus. It entered the atmosphere on Oct. 18, 1967 and was not designed to make it all the way to the ground. The spacecraft showed an atmospheric composition of roughly 90% to 95% carbon dioxide, and found no evidence of a global ma...
Mariner 5 was a NASA spacecraft that made its closest approach to Venus on Oct. 19, 1967. The spacecraft measured magnetic fields on Venus and in interplanetary space, and it examined charged particles, plasma (superheated gas), ultraviolet emissions and the amount by which radio waves are refracted in the atmosphere of Venus. This sort of informat...
The Soviet Union's Venera 5 and 6 spacecraft were identical twin machines that each did successful flybys of Venus in 1969. Venera 5 entered the atmosphere on May 16, 1969 and sent readouts of the temperature, pressure and atmosphere for 45 minutes until it succumbed. Venera 6 also did a suicide plunge into the atmosphere on May 17, 1969, but its p...
Venera 7 and a failed twin (Cosmos 359) both launched to Venus from the Soviet Union in August 1970. Venera 7 was the first spacecraft to successfully return data after landing on the surface of Venus. That said, the spacecraft had a rough landing on Dec. 15, 1970. The parachute ripped during descent and the probe hit Venus at a high speed (56 feet...
The Soviet Union's Venera 8 and another failed twin spacecraft, Cosmos 482, both launched for Venus in 1972. Venera 8 landed safely on July 22, 1972 and managed to last 63 minutes on the surface before the high pressures and temperatures killed the transmission. The probe's mission confirmed that Venus has high surface temperature and pressure, and...
Mariner 10was the first spacecraft to use the gravity of one planet (Venus) to slingshot to a second planet (Mercury). It also was the first spacecraft to visit two planets. The NASA probe zoomed by Venus once on Feb. 5, 1974 and sent back the first close-up images of the planet from orbit. The spacecraft overcame several technical issues during it...
The Soviet Union's Veneras 9 and 10 each sent successful orbiters and landers to Venus. Venera 9 made a successful landing on Oct. 22, 1975 while Venera 10 alighted on the surface a day later. Both spacecraft transmitted TV photography from the surface and the mission as a whole recorded information about the planet's surface pressure, surface temp...
This NASA mission is sometimes referred to as Pioneer Venus 1 and Pioneer Venus 2, and sometimes as Pioneer Venus Orbiterand Pioneer Venus Multiprobe. Whatever the naming convention, however, the orbital part of the mission successfully entered orbit at Venus on Dec. 4, 1978 and sent back information about the atmosphere and surface of Venus until ...
The Soviet Union's Venera 11 and 12 were twin spacecraft that flew to Venus in 1978. Each spacecraft included a flyby bus that would release a lander. Venera 12 touched down on the surface on Dec. 21, with Venera 11 following four days later. Each spacecraft survived for more than an hour after landing. As a whole, the mission gathered information ...
Nov 12, 2024 · The Pioneer Venus Orbiter launched on 20 May 1978 at 13:13:00 UT on an Atlas-Centaur from Cape Canaveral. It traveled to Venus on a Type II trajectory, with two small trajectory correction maneuvers on June 1 and November 2.
The Pioneer Venus orbiter was the first of a two-spacecraft orbiter-probe combination designed to conduct a comprehensive investigation of the atmosphere of Venus. Pioneer measured the detailed structure of the upper atmosphere and ionosphere of Venus, investigated the interaction of the solar wind with the ionosphere and the magnetic field in ...
What was Pioneer Venus 1? NASA’s Pioneer Venus 1 was the first of a two-spacecraft orbiter-probe combination designed to study the atmosphere of Venus. It was the first American spacecraft to orbit Venus. The second spacecraft was launched a few months later. Nation United States of America (USA) Objective(s) Venus Orbit Spacecraft Pioneer Venus Orbiter […]
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Pioneer Venus Orbiter Cloud structure in the Venusian atmosphere in 1979, revealed by ultraviolet observations by Pioneer Venus Orbiter. The orbiter was launched on May 20, 1978 on an Atlas-Centaur rocket. The orbiter's mass was 517 kg (1,140 lb). [3] The Pioneer Venus Orbiter was inserted into an elliptical orbit around Venus on December 4, 1978.
