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  2. Pioneer Venus Orbiter - Wikipedia

    en.wikipedia.org/wiki/Pioneer_Venus_Orbiter

    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]

  3. Pioneer Venus project - Wikipedia

    en.wikipedia.org/wiki/Pioneer_Venus_project

    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.

  4. List of missions to Venus - Wikipedia

    en.wikipedia.org/wiki/List_of_missions_to_Venus

    Orbiter/Lander Successful Entered orbit on 20 October 1975; lander landed at 05:13 UTC on 22 October. First orbiter of Venus and first images from the surface of another planet. Proton-K/D: Venera 10 (4V-1 No.661) 14 June 1975: Lavochkin Soviet Union: Orbiter/Lander Successful Entered orbit on 23 October 1975; lander landed at 05:17 UTC on 25 ...

  5. Pioneer program - Wikipedia

    en.wikipedia.org/wiki/Pioneer_program

    The Pioneer programs were two series of United States lunar and planetary space probes.The first program, which ran from 1958 to 1960, unsuccessfully attempted to send spacecraft to orbit the Moon, successfully sent one spacecraft to fly by the Moon, and successfully sent one spacecraft to investigate interplanetary space between the orbits of Earth and Venus.

  6. Pioneer 12 - Wikipedia

    en.wikipedia.org/wiki/Pioneer_12

    Pioneer 12 was the twelfth mission of the Pioneer program. It was a designation given to two different missions: It was a designation given to two different missions: Pioneer H , a planned mission to the Sun that was canceled and resulted in the spacecraft being put in the Air and Space Museum as a replica of the Pioneer 10 and Pioneer 11 probes.

  7. Observations and explorations of Venus - Wikipedia

    en.wikipedia.org/wiki/Observations_and...

    A map of Venus compiled from data recorded by NASA's Pioneer Venus Orbiter spacecraft beginning in 1978. In 1978, NASA sent two Pioneer spacecraft to Venus. The Pioneer mission consisted of two components, launched separately: an orbiter and a multiprobe. The Pioneer Venus Multiprobe carried one large and three small atmospheric probes. The ...

  8. 1978 in spaceflight - Wikipedia

    en.wikipedia.org/wiki/1978_in_spaceflight

    The Pioneer Venus Multiprobe landed four spacecraft on the planet, one of which transmitted data for 67 minutes before being destroyed by atmospheric pressure. ISEE-C , which was launched on 8 December, flew past comet 21P/Giacobini–Zinner in 1985, and Halley's Comet in 1986.

  9. Venera - Wikipedia

    en.wikipedia.org/wiki/Venera

    Map based on mapping from Pioneer Venus Orbiter and Magellan. The Venera (Russian: Вене́ра , pronounced [vʲɪˈnʲɛrə] 'Venus') program was a series of space probes developed by the Soviet Union between 1961 and 1984 to gather information about the planet Venus .