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Video encyclopedia

Planet

3:21

Genesis not Planet - Planemo (Official video)

3:21

Genesis not Planet - Planemo (Official video)

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Planemos and life in deep space

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planemos

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Uzi

A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.
  • History 

  • Mythology and naming 

  • Formation 

  • Solar System 

  • Exoplanets 

  • Planetary-mass objects 

  • Attributes