Oort Cloud

See also: Oort cloud

Contents

EnglishEdit

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EtymologyEdit

Named after Dutch astronomer Jan Hendrik Oort.

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Proper nounEdit

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 around the Solar System.

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