# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/ernst-opik
# Generated: 2026-08-13T06:41:03.546Z

schema: https://schema.org/Person
url: "https://fame.am/person/ernst-opik"
name: "Ernst Öpik"
slug: "ernst-opik"
description: "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."
tagline: "Estonian astronomer and astrophysicist (1893-1985)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/ErnstJuliusOpik.jpg?width=1200"
gender: "male"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1893-10-22"
deathDate: "1985-09-10"
livingStatus: "DECEASED"
scores:
  popularity:           51.46
  momentum:             0
  historical:           21.245864
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://et.wikiquote.org/wiki/Ernst_%C3%96pik"
    title: "Wikiquote"
    type:  "WEBSITE"
  - url: "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"
    title: "إيرنست أوبك"
    type:  "WIKIPEDIA"
  - url: "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"
    title: "ايرنست اوبك"
    type:  "WIKIPEDIA"
  - url: "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"
    title: "Эрнст Юліус Эпік"
    type:  "WIKIPEDIA"
  - url: "https://bs.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "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"
    title: "ئێرنست ئۆپیک"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://cy.wikipedia.org/wiki/Ernst_Julius_%C3%96pik"
    title: "Ernst Julius Öpik"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%95%CF%81%CE%BD%CF%83%CF%84_%CE%88%CF%80%CE%B9%CE%BA"
    title: "Ερνστ Έπικ"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://et.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "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"
    title: "ارنست اوپیک"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://gv.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://hr.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Ernst_%C3%96pik"
    title: "Ernst Öpik"
    type:  "WIKIPEDIA"
  - url: "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"
    title: "エルンスト・エピック"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%97%90%EB%A5%B8%EC%8A%A4%ED%8A%B8_%EC%99%B8%ED%94%BD"
    title: "에른스트 외픽"
    type:  "WIKIPEDIA"
  - url: "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"
    title: "Эрнст Юлиус Ӧпик"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q318126"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump