Carl Sagan on Tycho Brahe, Johannes Kepler, and ellipses

Name: Carl Sagan on Tycho Brahe, Johannes Kepler, and ellipses
Uploaded: 2008-02-22T02:13:05Z
Channel: XXXSDESDEXXX
Description: Carl Sagan on Tycho Brahe, Johannes Kepler, and ellipses.

41.5K views · 18 years ago · 9:04

XXXSDESDEXXX

Educational creator

Feb 22, 2008 · 41.5K views

Carl Sagan on Tycho Brahe, Johannes Kepler, and ellipses.