Oort Cloud

English

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Etymology

Named after Dutch astronomer Jan Hendrik Oort.

Proper noun

Oort Cloud

  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.

Synonyms

  • Öpik-Oort Cloud

Translations

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Last modified on 11 November 2012, at 14:25