"We are a way for the cosmos to know itself." ― Carl Sagan Science Cosmo From Carl Sagan Scientist Added on 1/31/2026 About Carl Sagan Carl Sagan was an American astronomer and science communicator known for Cosmos and his work in planetary science. Born: 1934-11-09 Died: 1996-01-01 View all quotes from Carl Sagan
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