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Jan Hendrik Oort ForMemRS (/ ˈ ɔːr t / or / ˈ ʊər t /; 28 April 1900 – 5 November 1992) was a Dutch astronomer who made significant contributions to the understanding of the Milky Way and who was a pioneer in the field of radio astronomy.
Apr 24, 2024 · Jan Oort (born April 28, 1900, Franeker, Netherlands—died November 5, 1992, Leiden) was a Dutch astronomer who was one of the most important figures in 20th-century efforts to understand the nature of the Milky Way Galaxy.
Apr 28, 2022 · Dutch astronomer Jan Oort was born on April 28, 1900. He visualized a vast reservoir of icy comets on the fringes of our solar system, which now bears his name.
Feb 27, 2004 · By the time of his death, at the age of 92, Professor Oort was recognised as one of the greatest astronomers of the 20th century. Both an observer and a theorist, Oort revolutionised astronomy through his ground-breaking discoveries. Artist's impression of a rotating galaxy.
Nov 12, 1992 · Jan H. Oort, the Dutch astronomer who made major discoveries about the dynamics of the Milky Way galaxy, the mass of the cosmos and the origin of comets, died last Thursday in Leiden, the...
Jan Hendrik Oort. 1942. Date of Birth. : April 28, 1900. Date of Death. : November 5, 1992. Jan Oort began studying stellar dynamics under Jacobus C. Kapteyn at the University of Groningen, where he completed his Ph.D. under Pieter van Rhijn in 1926.
Jun 27, 2018 · The Dutch astronomer Jan Hendrik Oort (1900-1992) overturned the idea that our sun is at the center of the Milky Way galaxy. He contributed greatly to knowledge about the structure and evolution of our galaxy, and also discovered the place of origin of most comets, the Oort Cloud.
Sep 23, 2019 · He discovered how to determine the rotation and centre of our Milky Way, predicted where comets come from and laid the groundwork for radio astronomy: Leiden Professor of Astronomy Jan Hendrik Oort (1900 – 1992).
Dec 3, 2013 · Jan Oort made many contributions to astrophysical knowledge. But he is best known for his discovery of a vast swarm of comets surrounding the sun. The Oort Cloud, as it came to be...
His interests range from comets (the Oort cloud) and our Solar System, to stars, galaxies (the Oort constants), clusters and the large-scale structure of the Universe. J.H. Oort worked on the motions of stars relatively close to the Sun and discovered the rotation of our Galaxy.
