Ep. 5: The Drake Equation
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Ep. 5: The Drake Equation
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Narrated by:
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By:
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Danielle George
In 1961 the American astrophysicist Frank Drake devised a mathematical way to estimate the number of active and communicative extra-terrestrial civilisations in the Milky Way galaxy. So how’s it gone down over the past 60 years?
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