oort cloud

Fetched 2026-10-26 (cache).

Synonyms: word cloud

Antonyms: word cloud

Related words from Datamuse; suggestions, not definitions.

Proper noun

1. {{lb|en|astronomy}} The [[Solar System]]'s [[Oort cloud]], extending from 50,000 to 100,000 [[astronomical unit]]s (approximately 1 [[light year]]) from the [[sun]]; [[supposedly]] the [[source]] of most [[comet]]s around the Solar System.

Noun

1. {{lb|en|astronomy}} A [[roughly]] [[spherical]] [[region]] of [[space]] composed of [[comet]]-like bodies and other [[minor planet]]s and [[asteroid]]s that orbit distantly in a [[planetary system]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.