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Do Aliens Exist? This Famous Equation Offers a Clue

Season 52 | 5m 04s

It’s an age-old question: Do aliens exist? And what are the odds we’ll make contact? A famous mathematical equation, known as the Drake Equation, helps scientists estimate the odds of finding intelligent alien civilizations, but new discoveries and unknown factors could change everything.

National Corporate funding for NOVA is provided by . Major funding for NOVA is provided by the NOVA Science Trust, the , and PBS viewers.
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