Carl Sagan - Somewhere something incredible is waiting to be known. - Quote. Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer, and science communicator in astronomy.
Carl Sagan - Somewhere something incredible is waiting to be known. - Quote. Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer, and science communicator in astronomy.
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