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  1. en.wikipedia.org › wiki › Carl_SaganCarl Sagan - Wikipedia

    Carl Edward Sagan (/ ˈ s eɪ ɡ ən /; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist, and science communicator.

  2. May 27, 2024 · Carl Sagan, American astronomer and science writer. A popular and influential figure in the United States, he was controversial in scientific, political, and religious circles for his views on extraterrestrial intelligence.

  3. Apr 2, 2014 · Carl Sagan was one of the most well-known scientists of the 1970s and 1980s. He studied extraterrestrial intelligence, advocated for nuclear disarmament and co-wrote and hosted 'Cosmos: A...

  4. PALE BLUE DOT. Carl Sagan lobbied NASA for ten years to command the Voyager 1 spacecraft to turn its camera homeward to take one last picture from beyond the orbits of Neptune and Pluto. On Valentine’s Day in 1990 it did so, revealing our world to appear as but a single pixel from that distance.

  5. Nov 22, 2021 · Carl Sagan was a scientist and educator best known for his TV series Cosmos, the Pale Blue Dot image of Earth and quotes about life and Earth.

  6. Carl Sagan (1934 - 1996) played a leading role in the American space program from its very beginning. He was a consultant and adviser to NASA beginning in the 1950s -- he briefed the Apollo astronauts before their flights to the Moon.

  7. Nov 9, 2023 · Carl Sagan was a multifaceted American scientist known for his work in astronomy, cosmology, astrophysics, astrobiology, and for his immense contribution to the popularization of science.

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