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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. 1978 in spaceflight - Wikipedia

    en.wikipedia.org/wiki/1978_in_spaceflight

    Download as PDF; Printable version; In other projects ... Rocket Flight number Launch site LSP; Payload ... Pioneer Venus Orbiter: NASA/ARC: Cytherocentric: Venus ...

  5. List of missions to Venus - Wikipedia

    en.wikipedia.org/wiki/List_of_missions_to_Venus

    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 October Proton-K/D: Venera ...

  6. 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.

  7. 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.