Oort Cloud
see also: Oort cloud
Proper noun
  1. (astronomy) A roughly spherical region of space from 50,000 to 100,000 astronomical units (approximately 1 light year) from the sun; supposedly the source of most comets around the Solar System.
Synonyms
  • Öpik-Oort Cloud
Translations
  • French: nuage de Oort
  • German: Oortsche Wolke
  • Italian: nube di Oort
  • Portuguese: nuvem de Oort
  • Russian: о́блако О́орта
  • Spanish: nube de Oort

Oort cloud
Proper noun
  1. Alternative form of Oort Cloud
Noun

Oort Cloud (plural Oort Clouds)

  1. (astronomy) A roughly spherical region of space composed of comet-like bodies and other minor planets and asteroids that orbit distantly in planetary systems



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