# 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
- **Country:** Estonia
- **Born:** 1893-10-22
- **Died:** 1985-09-10
- **Status:** deceased
- **Gender:** male

## Fame
- **Fame score:** 52.9
- **Momentum:** 0.3

## Sources
- [恩斯特·厄皮克](https://zh.wikipedia.org/wiki/%E6%81%A9%E6%96%AF%E7%89%B9%C2%B7%E5%8E%84%E7%9A%AE%E5%85%8B)
- [Ernst Öpik](https://pt.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Ernst Öpik](https://pl.wikipedia.org/wiki/Ernst_%C3%96pik)
- [Эпик, Эрнст Юлиус](https://ru.wikipedia.org/wiki/%D0%AD%D0%BF%D0%B8%D0%BA%2C_%D0%AD%D1%80%D0%BD%D1%81%D1%82_%D0%AE%D0%BB%D0%B8%D1%83%D1%81)
- [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)
- [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)
- [Wikiquote](https://et.wikiquote.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)
- [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)

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