February 25, 2013

'Kardashev Scale' Measures Alien Power

George Dvorsky, io9


AP Photo

We have yet to make contact with an extraterrestrial civilization. If they're out there — and surely they must be — we haven't the foggiest idea what they might be like. Or do we?

Given what we know about the universe and our own civilization, we should be able to make some educated guesses. And in fact, several decades ago, a Russian astrophysicist came up with a classification system to describe hypothetical aliens. Here's how the Kardashev Scale works.

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TAGGED: Power (physics), Kardashev Scale, Alien Life