Carl Sagan

Carl Sagan

Carl Edward Sagan (November 9, 1934 - December 20, 1996) was an American astronomer, astrochemist, author, and highly successful popularizer of astronomy, astrophysics and other natural sciences

4957
0
1

The universe is not required to be in perfect harmony with human ambition.

160
0

See also



Who likes

Who likes

Followers