Ernst Julius Öpik (23 October 1893 - 10 September 1985) was a noted Estonian astronomer and astrophysicist who spent the second half of his career (1948-1981) at the Armagh Observatory in Northern Ireland.Read more
Ernst Julius Öpik (23 October 1893 - 10 September 1985) was a noted Estonian astronomer and astrophysicist who spent the second half of his career (1948-1981) at the Armagh Observatory in Northern Ireland.