Carl Sagan discusses nuclear self-destruction

Name: Carl Sagan discusses nuclear self-destruction
Uploaded: 2008-02-04T23:10:19Z
Duration: 7:39
Channel: XXXSDESDEXXX
Description: Carl Sagan discusses nuclear self-destruction. This clip is from Carl Sagan's Cosmos episode 13, "Who Speaks For Earth?"

91.8K views · 18 years ago · 7:39

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Feb 4, 2008 · 91.8K views

Carl Sagan discusses nuclear self-destruction. This clip is from Carl Sagan's Cosmos episode 13, "Who Speaks For Earth?"