3:01
An Invocation for Beginnings
Ze Frank
3:31
Carl Sagan - Pale Blue Dot
carlsagandotcom
3:38
Carl Sagan: "A message for the people of Earth"
0verClockin
9:39
Neil DeGrasse Tyson - Greatest Sermon Ever
playd76
5:21
How much would you pay for the Universe? (Neil deGrasse Tyson)
FFreeThinker
4:00
We're all Scared
vlogbrothers
