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Carl Sagan Explains the Drake Equation

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Uploaded by on Sep 15, 2009

Courtesy of Cosmos.

Category:

Science & Technology

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Standard YouTube License

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Uploader Comments (ScientiaMathema)

  • Michio Kaku has a similar informative posture to Carl Sagan.

  • Yes. Which is why both are so successful.

  • Great video, but it seems like he vastly overestimated a lot of these chances.

  • The "intelligent species that develop technology" was actually underestimated; most intelligent species develop technology at some point.

  • how would you know your one of the annunaki arent you

  • I resent the meaning you are implying.

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All Comments (8)

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  • However, look how long the earth exists, 5 billion years?

    Look how long humans have real technology?

    Since the year 1900?

  • Maybe there is life out there more intelligent than humans. Those who look down upon us like we are ants

  • Awesome video :)

    Thx for the website

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