ASTRONOMER

Carl Sagan

1934 - 1996

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Carl Edward Sagan (; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist and science communicator. His best known scientific contribution is his research on the possibility of extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by exposure to light. He assembled the first physical messages sent into space, the Pioneer plaque and the Voyager Golden Record, which are universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. He argued in favor of the hypothesis, which has since been accepted, that the high surface temperatures of Venus are the result of the greenhouse effect. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Carl Sagan is the 20th most popular astronomer (down from 15th in 2019), the 285th most popular biography from United States (down from 209th in 2019) and the 3rd most popular American Astronomer.

Carl Sagan is most famous for his work in the field of astronomy. He was a professor at Cornell University and taught astronomy and astrophysics. He also wrote many books about science, including "Cosmos" and "Pale Blue Dot."

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Among ASTRONOMERS

Among astronomers, Carl Sagan ranks 20 out of 644. Before him are Ja'far al-Sadiq, Edwin Hubble, Giovanni Domenico Cassini, Nicolas-Louis de Lacaille, Ole Rømer, and Joseph Hooton Taylor Jr.. After him are Avempace, Aryabhata, Caroline Herschel, Abd al-Rahman al-Sufi, Jocelyn Bell Burnell, and Charles Messier.

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Contemporaries

Among people born in 1934, Carl Sagan ranks 14. Before him are Henrik, Prince Consort of Denmark, Albert II of Belgium, Gene Cernan, Maggie Smith, Richard Chamberlain, and Giorgio Armani. After him are Leonid Kravchuk, Norman Schwarzkopf Jr., Giovanni Battista Re, Nana Mouskouri, Judi Dench, and Jane Goodall. Among people deceased in 1996, Carl Sagan ranks 9. Before him are Marcello Mastroianni, Nevill Francis Mott, Jean-Bédel Bokassa, Tupac Shakur, Tadeusz Reichstein, and Thomas Kuhn. After him are Gladwyn Jebb, Mohammad Najibullah, Krzysztof Kieślowski, Marguerite Duras, Dzhokhar Dudayev, and Frank Whittle.

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In United States

Among people born in United States, Carl Sagan ranks 285 out of 20,380. Before him are Ray Charles (1930), Fred Trump (1905), Jane Fonda (1937), Burt Lancaster (1913), Bill Paxton (1955), and James Buchanan (1791). After him are John Travolta (1954), Ralph Waldo Emerson (1803), Barry Barish (1936), Tony Curtis (1925), Val Kilmer (1959), and William Boeing (1881).

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Among ASTRONOMERS In United States

Among astronomers born in United States, Carl Sagan ranks 3. Before him are Edwin Hubble (1889), and Joseph Hooton Taylor Jr. (1941). After him are Neil deGrasse Tyson (1958), Charles Greeley Abbot (1872), Robert Woodrow Wilson (1936), Vesto Slipher (1875), Asaph Hall (1829), Clyde Tombaugh (1906), William Alfred Fowler (1911), Edward Emerson Barnard (1857), and Vera Rubin (1928).

American born Astronomers

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