Quote:
Originally Posted by Rain Man
This is why we need to get going now. Throw some stuff in a suitcase and let's go.
And if they're close enough that their orbits are wacky, I wonder if they'll eventually collide. If you're an intelligent being on one of those planets, that's a strong impetus to develop space travel if you know for sure that a planet is going to hit you at some point.
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They're probably pointing a telescope at our own solar system right now, saying "Man, that planet is perfectly in the zone with no other planets around. And it has water and everything. Even a moon. Wish we lived there."