I can find in my undergraduate classes bright students who do not know that the stars rise and set at night, or even that the Sun is a star.
Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences. He is best known for his work as a science popularizer and communicator.
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