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Jan Oort

1900 - 1992

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Jan Hendrik Oort ( or ; 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. His New York Times obituary called him "one of the century's foremost explorers of the universe"; the European Space Agency website describes him as "one of the greatest astronomers of the 20th century" and states that he "revolutionised astronomy through his ground-breaking discoveries." In 1955, Oort's name appeared in Life magazine's list of the 100 most famous living people. He has been described as "putting the Netherlands in the forefront of postwar astronomy."Oort determined that the Milky Way rotates and overturned the idea that the Sun was at its center. Read more on Wikipedia

Since 2007, the English Wikipedia page of Jan Oort has received more than 248,940 page views. His biography is available in 58 different languages on Wikipedia (up from 56 in 2019). Jan Oort is the 38th most popular astronomer (down from 32nd in 2019), the 76th most popular biography from Netherlands (down from 58th in 2019) and the most popular Dutch Astronomer.

Jan Oort is most famous for his theory of the Oort Cloud, which is a vast region of icy objects that surrounds the solar system.

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  • 250k

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  • 65.26

    Historical Popularity Index (HPI)

  • 58

    Languages Editions (L)

  • 10.91

    Effective Languages (L*)

  • 3.01

    Coefficient of Variation (CV)

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Among astronomers, Jan Oort ranks 38 out of 531Before him are Fred Hoyle, Johann Bayer, Caroline Herschel, Wilhelm Schickard, Michel Mayor, and Adolphe Quetelet. After him are Paolo dal Pozzo Toscanelli, Charles Greeley Abbot, Giovanni Schiaparelli, Simon Marius, Arthur Eddington, and Henrietta Swan Leavitt.

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Among people born in 1900, Jan Oort ranks 27Before him are Urho Kekkonen, Hans Fritzsche, Giorgos Seferis, Hans Adolf Krebs, Kurt Weill, and Eyvind Johnson. After him are Thomas Wolfe, Richard Kuhn, Edith Frank, Mahavatar Babaji, Chiune Sugihara, and W. Edwards Deming. Among people deceased in 1992, Jan Oort ranks 21Before him are Giovanni Falcone, Benny Hill, Li Xiannian, James E. Webb, Anthony Perkins, and Satyajit Ray. After him are Grand Duke Vladimir Kirillovich of Russia, Félix Guattari, Ernst Happel, Samuel Reshevsky, Karl Carstens, and Algirdas Julien Greimas.

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In Netherlands

Among people born in Netherlands, Jan Oort ranks 76 out of 1,427Before him are Jan Tinbergen (1903), William V, Prince of Orange (1748), Lawrence Alma-Tadema (1836), Jacob Roggeveen (1659), Hugo de Vries (1848), and Carel Fabritius (1622). After him are Gerard van Honthorst (1592), Sophia of Hanover (1630), Cornelius Jansen (1585), Bernard Mandeville (1670), Nicolaas Bloembergen (1920), and Bernard Haitink (1929).

Among ASTRONOMERS In Netherlands

Among astronomers born in Netherlands, Jan Oort ranks 1After him are Pieter van Musschenbroek (1692), Gerard Kuiper (1905), Tom Gehrels (1925), Cornelis Johannes van Houten (1920), Antonie Pannekoek (1873), Jacobus Kapteyn (1851), John Goodricke (1764), Walter Lewin (1936), Adriaan Blaauw (1914), Henri Joseph Anastase Perrotin (1845), and Michael van Langren (1598).