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"Who will speak for Planet Earth?"

―

Enthusiasm

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Scientist

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About Carl Sagan

Carl Sagan was an American astronomer and science communicator known for Cosmos and his work in planetary science.

Born:

Died:

View all quotes from Carl Sagan

"Beware the irrational, however seductive. Shun the 'transcendent' and all who invite you to subor..."
"There's as many atoms in a single molecule of your DNA as there are stars in the typical galaxy. ..."
"God does not play dice with the universe."