BabelNet

bn:00059046n

Noun Concept

Categories: Jan Oort, Discoveries by Jan Oort, Oort cloud, Comets, Trans-Neptunian region

Oort cloud Opik-Oort Cloud Cometary cloud OCOs Oort cloud object

(astronomy) a hypothetical huge collection of comets orbiting the sun far beyond the orbit of Pluto; perturbations (as by other stars) can upset a comet's orbit and may send it tumbling toward the sun WordNet 3.0

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The Oort cloud, sometimes called the Öpik–Oort cloud, is theorized to be a vast cloud of icy planetesimals surrounding the Sun at distances ranging from 2,000 to 200,000 AU. Wikipedia

Theoretical cloud of planetesimals at the far edge of the solar system Wikidata

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

IS A

collection

trans-Neptunian object

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