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  2. Venus - Wikipedia

    en.wikipedia.org/wiki/Venus

    Venus is the second planet from the Sun.It is a terrestrial planet and is the closest in mass and size to its orbital neighbour Earth.Venus has by far the densest atmosphere of the terrestrial planets, composed mostly of carbon dioxide with a thick, global sulfuric acid cloud cover.

  3. List of missions to Venus - Wikipedia

    en.wikipedia.org/wiki/List_of_missions_to_Venus

    Missions to Venus constitute part of the exploration of Venus. The Soviet Union , followed by the United States , have soft landed probes on the surface. Venera 7 was the first lander overall and first for the Soviet Union, touching down on 15 December 1970.

  4. Observations and explorations of Venus - Wikipedia

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

    The planet's period of retrograde motion is 20 days on either side of the inferior conjunction. In fact, through a telescope Venus at greatest elongation appears less than half full due to Schröter's effect first noticed in 1793 and shown in 1996 as due to its thick atmosphere. Venus in daylight at 5 p.m. in the southern hemisphere ...

  5. List of craters on Venus - Wikipedia

    en.wikipedia.org/wiki/List_of_craters_on_Venus

    Lunar: 1,624 craters (31.2%) Venusian: 900 craters (17.3%) Mercurian: 397 craters (7.6%) Martian: 1,092 craters (21.0%) Others: 1,198 craters (23.0%) Distribution of named craters in the Solar System as of 2017. [a] This is a list of craters on Venus, named by the International Astronomical Union's (IAU) Working Group for Planetary System Nomenclature. All craters on Venus are named after ...

  6. Outline of Venus - Wikipedia

    en.wikipedia.org/wiki/Outline_of_Venus

    The following outline is provided as an overview of and topical guide to Venus: . Venus – second planet from the Sun, orbiting it every 224.7 Earth days. It has the longest rotation period (243 days) of any planet in the Solar System and rotates in the opposite direction to most other planets.

  7. 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.

  8. Geology of Venus - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Venus

    Venus's mantle is approximately 2,840 kilometres (1,760 mi) thick, its chemical composition is probably similar to that of chondrites. [7]: 1729 Since Venus is a terrestrial planet, it is presumed to have a core, made of semisolid iron and nickel with a radius of approximately 3,000 kilometres (1,900 mi). [citation needed]

  9. List of Venus-crossing minor planets - Wikipedia

    en.wikipedia.org/wiki/List_of_Venus-crossing...

    A Venus-crosser is an asteroid whose orbit crosses that of Venus. There are 2,809 [ 1 ] Venus-crosser and 98 outer-grazers known. [ 2 ] Mercury-crossers or grazers are marked ‡.