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Carl Sagan, AB’54, SB’55, SM’56, PhD’60
Science & Medicine
Apr/57
Life on other planets?
By
Carl Sagan, AB’54, SB’55, SM’56, PhD’60
From our print archive:
In spite of the hours clocked at super-spyglasses, astronomers have yet to spot any little green men on Mars or any other planet. But they have made some pretty convincing observations that life does exist on other planets.
Subscribe to Carl Sagan, AB’54, SB’55, SM’56, PhD’60