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PBS: | Space Time | Are We Alone? Galactic Civilization Challenge


The Drake Equation tells us the likelihood that there are other advanced technological civilizations waiting for us among the stars. In this episode of Space Time we challenge you to use the Drake Equation to help us determine how near or far these alien races may be.

Everything we’ve learned about our universe tells us that it is very unlikely we are alone. Frank Drake and his Drake Equation compute exactly how unlikely this is. The answer may surprise you.

 

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