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

Dec 16, 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.

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 ).

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.

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.

Carl Sagan was Earth's leading advocate for the greatest adventure in human history: missions of discovery to worlds beyond our own.

Jun 7, 2018 · Astronomer and author Carl Sagan (November 9, 1934 — December 20, 1996) burst into public consciousness as the star and producer of the TV series Cosmos. He was a prolific researcher in astronomy as well as a science popularizer who sought to educate the public about the universe and the value of the scientific method.

Most Americans know Carl Sagan best as a public figure and science communicator. For Sagan an interest in science communication came early. Even as a high school student he waxed philosophical on the connections between the Astronomer and the Poet.

Apr 14, 2023 · American astronomer, astrophysicist, cosmologist and author Carl Sagan was one of the most renowned, influential – and controversial – scientists of the 20th century.