Aaron Blosser wrote:
> Over billions of years, wouldn't most free-floating dust have been attracted
> to some heavy object by now? I know there are still a lot of large bodies
> such as comets, meteorites, asteroids (though I doubt the existence of the
> hypothetical "Oort Cloud"). I don't know, it just seems that after so much
> time, most small bodies, especially dust and what not, would have
> accumulated into larger objects, just as the stars and planets did.
Certainly none of it would still be in little pieces, hurtling around
aimlessly,
orbiting each other wihtout actually accumulating enough to start fusion
reactions. Orbits decay, you know. It's a wonder Earth hadn't fallen
into
the sun by now.
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