Ernst Öpik

Estonian astronomer and astrophysicist (1893-1985) · Estonia · On the map · Scientists · Died at 91

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.

Ernst Öpik is read about 38 times a day, in 40 languages.

A typical day, 30 days to 6 November 2026

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A life in dates

1985Died10 September 19851976Bruce MedalAward1975Gold Medal of the Royal Astronomical SocietyAward1968Leonard MedalAward1960J. Lawrence Smith MedalAward1893Born22 October 1893