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Comets are thought to be sort of the junk left over in the far reaches of the solar system. The gravitational pull of the sun is very weak, and with their low mass they can be easily deflected off into the inner planets which in turn deflect them even more.
One theory is that we have a large 10th planet so far out that it hasn't be detected that every 26million years or so sends a new wave of comets into the inner planets.
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Agents of the enemies who hold office in our own government, who attempt to eliminate our "freedoms" and our "right to know" are posting among us, I fear.....on this very forum. - host
Obama - Know a Man by the friends he keeps.
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