Watch Carl Sagan explain why aliens aren't visiting Earth in 1960s documentary

Why are aliens really not visiting Earth all the time? Let legendary astronomer and astrophysicist Carl Sagan explain ... in this 1960s documentary.

Narrated by Walter Cronkite and featuring a very insightful interview with Sagan at the 51:55 mark, this 1966 CBS documentary, UFO: Friend, Foe, or Fantasy, is a fascinating bit of kitschy science history. Sagan is one of the greatest minds ever to study the stars, and it's fascinating to hear his take.

The Sagan segment seeks to address whether aliens are really visiting us all the time, abducting people and farm animals just because Earth and the human race are so darn interesting and awesome. As you can guess, Sagan effectively bursts that anthropocentric bubble.

Check out the clip below and let us know if you think alien visitors are really buzzing around our solar system:

(Via Sploid)

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