BBC - Future - Science   Environment - Drake equation  How many alien civilizations exist -152752

BBC - Future - Science Environment - Drake equation How many alien civilizations exist -152752

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watch #documentaries on http://docur.co [astrobiology] The famous Drake Equation put forward by Frank Drake back in the 1961. See also "Rare Earth equation" (a somewhat less trusted equation, but interesting nonetheless). ~Al. A.

watch #documentaries on http://docur.co [astrobiology] The famous Drake Equation put forward by Frank Drake back in the 1961. See also "Rare Earth equation" (a somewhat less trusted equation, but interesting nonetheless). ~Al. A.

On behalf of the entire SETI Institute, we wish one and all a safe and happy holidays and a joyous new year, full of wonder and exploration! -- Bill Diamond, President and CEO (Image credit: Danielle Futselaar)

On behalf of the entire SETI Institute, we wish one and all a safe and happy holidays and a joyous new year, full of wonder and exploration! -- Bill Diamond, President and CEO (Image credit: Danielle Futselaar)

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Drake Equation

Drake Equation

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Drake equation - Wikipedia, the free encyclopedia

Drake equation - Wikipedia, the free encyclopedia

Interactive Graphic: Drake equation - How many alien civilizations exist in our galaxy alone?

Interactive Graphic: Drake equation - How many alien civilizations exist in our galaxy alone?

SETI uses the Arecibo's 305-meter telescope — the largest in the world — to scan the sky for signals from alien civilizations all year round...

SETI uses the Arecibo's 305-meter telescope — the largest in the world — to scan the sky for signals from alien civilizations all year round...

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