Quote:
Originally Posted by xelasnave
I cant understand why the Drake equation it given any time at all...it merely tries to quantify something with no evidence ... you may as well pick a number out of the air or calculate the probability of unicorns.. it is useless.
alex
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It's just an equation Frank came up with as a theoretical exercise in trying to get a handle on what might be the case. Some of the numbers are known to a reasonable degree, but the majority of the equation's variables are pure guesswork.