Oort Cloud

Oort cloud English Alternative forms en Oort cloud Etymology Named after the Dutch astronomer Jan Hendrik Oort, who revived the Estonian astronomer Ernst Öpik’s idea from 1932 of a reservoir of long-period comets in the form of an orbiting cloud at the outermost edge of the Solar System in 1950 to resolve a paradox about the origin of comets. Pronunciation en /ˈɔːrt klaʊd/ en Oort Cloud Proper noun 1 Oort Cloud en astronomy The Solar System's Oort cloud, extending 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. en Öpik-Oort Cloud en Hills Cloud Translations cloud of comets in the Solar System Afrikaans: af Oortwolk Arabic: ar سَحَابَة أُورْط f saḥābat ʔūrṭ Chinese: Mandarin: cmn 奧爾特雲 Ào'ěrtè yún Dutch: nl Oortwolk f Finnish: fi Oortin pilvi French: fr nuage de Oort m Galician: gl Nube de Oort f German: de Oortsche Wolke f Hungarian: hu Oort-felhő Italian: it nube di Oort f Japanese: ja オールトの雲 Ōruto-no kumo Korean: ko ^오르트 구름 Persian: fa ابر اورت abr-e urt Polish: pl Obłok Oorta m-in Portuguese: pt nuvem de Oort Russian: ru о́блако О́орта n Spanish: es nube de Oort f Swedish: sv Oorts kometmoln Turkish: tr Oort Bulutu Further reading en eponyms