Carl Sagan: A Universe Not Made For Us [Carl Sagan Tribute Series, Part 1]

Source: www.youtube.com

This video is part 1 of my continuing tribute to the late Carl Sagan. Part 2: Consider Again That Pale Blue Dot http://www.youtube.com/watch?v=p_naQhynOg0 Part 3: Wanderers http://www.youtube.com/watch?v=lPM-vKpiKR0 Excerpts from Carl Sagan's Pale Blue Dot: A Vision of the Human Future in Spa...

http://www.youtube.com/watch?v=pxlPVSAnWOo&feature=search

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