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Carl Edward Sagan ( / ˈseɪɡən /; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist, and science communicator.
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.
Nov 22, 2021 · Astronomer Carl Sagan, called "America's most effective salesman of science" by Time magazine, spent much of his career translating technical scientific explanations into something...
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 (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.
Mar 16, 2014 · He was a celebrity, scientist, and star of the original Cosmos, but who was the real Carl Sagan?
Carl Sagan was Earth's leading advocate for the greatest adventure in human history: missions of discovery to worlds beyond our own.
