minor planet

English

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Wikipedia

Noun

minor planet (plural minor planets)

  1. (astronomy) An asteroid which orbits the Sun and is larger than 10 meters in diameter but smaller than a dwarf planet.
  2. (astronomy) Those planets smaller than Earth, specifically Mercury, Venus, Mars, and Pluto.[1](in the Solar System)

Antonyms

  • (smaller than Earth): major planet (larger than Earth (in the Solar System))

Related terms

See also

Translations

celestial body

References

  1. ^ "Minor planet." McGraw-Hill Dictionary of Scientific and Technical Terms. McGraw-Hill Companies, Inc., 2003. Answers.com 04 Oct. 2009. http://www.answers.com/topic/planetoid
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Last modified on 24 April 2013, at 16:35