Carl Sagan's: Cosmos Part 4 - Heaven and Hell

Name: Carl Sagan's: Cosmos Part 4 - Heaven and Hell
Uploaded: 2012-03-15T07:53:03Z
Duration: 1:01:04
Channel: Great Minds
Description: Sagan discusses comets and asteroids as planetary impactors, giving recent examples of the Tunguska event and a lunar impact described by Canterbury…

221K views · 14 years ago · 1:01:04

Great Minds

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Mar 15, 2012 · 221K views

Sagan discusses comets and asteroids as planetary impactors, giving recent examples of the Tunguska event and a lunar impact described by Canterbury…