Astronomers Estimate Milky Way May Have 100 Billion Alien Worlds

?Behind every man now alive stand thirty ghosts, for that is the ratio by which the dead outnumber the living. Since the dawn of time, roughly a hundred billion human beings have walked the planet Earth.

Now this is an interesting number, for by a curious coincidence there are approximately a hundred billion stars in our local universe, the Milky Way. So for every man who has ever lived, in this Universe there shines a star.

But every one of those stars is a sun, often far more brilliant and gloriou

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/g6iuz1Kifmw/astronomers-estimate-milky-way-may-have-100-billion-alien-worlds

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