Video Player is loading.

Up next


Carl Sagan - Cosmos - Eratosthenes

Save The Republic
Save The Republic - 559 Views
31
559 Views
Published on 26 Jun 2022 / In Science

Carl Sagan - Cosmos - Eratosthenes. In this segment of Cosmos Carl Sagan shares the brilliance of the librarian of the Library of Alexandria, Eratosthenes. See how a simple experiment, combined with logical science proves the earth is a curved sphere centuries before NASA.

Show more
0 Comments sort Sort by

Up next