Astronomy:Lists of planets

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These are lists of planets. A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula to create a young protostar orbited by a protoplanetary disk. There are eight planets within the Solar System; planets outside of the solar system are also known as exoplanets.

Artist's concept of the potentially habitable exoplanet Kepler-186f

As of 1 January 2020, there are 4,160 confirmed exoplanets in 3,090 systems, with 676 systems having more than one planet.[1] Most of these were discovered by the Kepler space telescope. There are an additional 1,979 potential exoplanets from Kepler's first mission yet to be confirmed, as well as 976 from its "Second Light" mission and 4,641 from the Transiting Exoplanet Survey Satellite (TESS) mission.[2]

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In the Solar System

  • For a list of geophysical planets in the Solar System, see: List of gravitationally rounded objects of the Solar System This also includes a list of the eight planets according to the IAU definition.
  • For a list of objects in the Solar System once but no longer generally considered planets, see: List of former planets
  • For a list of objects in the Solar System, including planets, that have been or are believed to exist, but either have not been proven or have been disproven, see: List of hypothetical Solar System objects

Outside the Solar System

Distribution of confirmed exoplanets with respect to distance from the Sun

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Lists of exoplanets by year of discovery

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Extrasolar systems
Exoplanets by method of detection
Records in exoplanet detection
Potential terrestrial exoplanets

Fictional or non-scientific planets

Mixed

See also

References