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.

5 days ago · 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.

Apr 2, 2014 · Best Known For: Carl Sagan was one of the most well-known scientists of the 1970s and 1980s. He studied extraterrestrial intelligence, advocated for nuclear disarmament and...

Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer. He was very interested in what extraterrestrial life on other planets would be like, which is known as SETI (Search for extraterrestrial intelligence). Sagan was a science communicator, which meant he taught people about science.

Nov 4, 2024 · 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.

We live in Carl Sagan’s universe–awesomely vast, deeply humbling. It’s a universe that, as Sagan reminded us again and again, isn’t about us. We’re a granular element. Our presence may even...

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.

Nov 8, 2024 · With unusual breadth in astronomy, physics, chemistry and biology, Sagan pushed forward the nascent discipline of astrobiology — the study of life in the universe.

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.

May 26, 2024 · Carl Sagan (1934-1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, and author who left an indelible mark on the scientific world and popular culture.