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Sagan, Carl

Line breaks: Carl Sagan
Pronunciation: /ˈseɪɡ(ə)n
 
/

Definition of Sagan, Carl in English:

( 1934–96), American astronomer; full name Carl Edward Sagan. Sagan showed that amino acids can be synthesized in an artificial primordial soup irradiated by ultraviolet light—a possible origin of life on the earth. He wrote several popular science books, and was co-producer of the television series Cosmos (1980).

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Word of the day prepotent
Pronunciation: prɪˈpəʊt(ə)nt
adjective
greater than others in power or influence