'Cosmos' Recap: Halley's Comet History and 4 More Amazing Facts from Episode 3
Monday, March 24, 2014 - 12:30
in Astronomy & Space
Aired Sunday night (March 23), the third episode of the reboot of Carl Sagan's beloved TV show "Cosmos: A Personal Voyage" explains how knowledge of fthe workings of gravity, comets and the solar system changed the way that humans look at the stars.