Carl Sagan

Astrophysicist

Carl Sagan

"The Earth is a very small stage in a vast cosmic arena."

— Carl Sagan, Astrophysicist

Carl Sagan

"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about scien…"

— Carl Sagan, Astrophysicist

Carl Sagan

"Extraordinary claims require extraordinary evidence."

— Carl Sagan, Astrophysicist

Carl Sagan

"The cosmos is within us. We are made of star-stuff."

— Carl Sagan, Astrophysicist

Carl Sagan

"Somewhere, something incredible is waiting to be known."

— Carl Sagan, Astrophysicist

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