# Ernst Öpik

> Ernst Julius Öpik was an Estonian astronomer and astrophysicist who spent the second half of his career (1948–1981) at the Armagh Observatory in Northern Ireland. He is best known for his pioneering work on solar system dynamics, particularly of the Oort cloud and the Yarkovsky effect.

*Estonian astronomer and astrophysicist (1893-1985)*

**Canonical URL:** https://fame.am/person/ernst-opik

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Born:** 1893-10-22
- **Died:** 1985-09-10
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 51.5 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 21.2 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 60.0 / 100

## Sources
- [Wikiquote](https://et.wikiquote.org/wiki/Ernst_%C3%96pik)
- [إيرنست أوبك](https://ar.wikipedia.org/wiki/%D8%A5%D9%8A%D8%B1%D9%86%D8%B3%D8%AA_%D8%A3%D9%88%D8%A8%D9%83)
- [ايرنست اوبك](https://arz.wikipedia.org/wiki/%D8%A7%D9%8A%D8%B1%D9%86%D8%B3%D8%AA_%D8%A7%D9%88%D8%A8%D9%83)
- [Эрнст Юліус Эпік](https://be.wikipedia.org/wiki/%D0%AD%D1%80%D0%BD%D1%81%D1%82_%D0%AE%D0%BB%D1%96%D1%83%D1%81_%D0%AD%D0%BF%D1%96%D0%BA)
- [Ernst Öpik](https://bs.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://ca.wikipedia.org/wiki/Ernst_%C3%96pik)
- [ئێرنست ئۆپیک](https://ckb.wikipedia.org/wiki/%D8%A6%DB%8E%D8%B1%D9%86%D8%B3%D8%AA_%D8%A6%DB%86%D9%BE%DB%8C%DA%A9)
- [Ernst Öpik](https://cs.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Julius Öpik](https://cy.wikipedia.org/wiki/Ernst_Julius_%C3%96pik)
- [Ernst Öpik](https://de.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ερνστ Έπικ](https://el.wikipedia.org/wiki/%CE%95%CF%81%CE%BD%CF%83%CF%84_%CE%88%CF%80%CE%B9%CE%BA)
- [Ernst Öpik](https://en.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://es.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://et.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://eu.wikipedia.org/wiki/Ernst_%C3%96pik)
- [ارنست اوپیک](https://fa.wikipedia.org/wiki/%D8%A7%D8%B1%D9%86%D8%B3%D8%AA_%D8%A7%D9%88%D9%BE%DB%8C%DA%A9)
- [Ernst Öpik](https://fi.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://fr.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://gl.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://gv.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://hr.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://id.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://it.wikipedia.org/wiki/Ernst_%C3%96pik)
- [エルンスト・エピック](https://ja.wikipedia.org/wiki/%E3%82%A8%E3%83%AB%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BB%E3%82%A8%E3%83%94%E3%83%83%E3%82%AF)
- [에른스트 외픽](https://ko.wikipedia.org/wiki/%EC%97%90%EB%A5%B8%EC%8A%A4%ED%8A%B8_%EC%99%B8%ED%94%BD)
- [Эрнст Юлиус Ӧпик](https://kv.wikipedia.org/wiki/%D0%AD%D1%80%D0%BD%D1%81%D1%82_%D0%AE%D0%BB%D0%B8%D1%83%D1%81_%D3%A6%D0%BF%D0%B8%D0%BA)
- [Wikidata](https://www.wikidata.org/wiki/Q318126)

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