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PHYSICS
Asked by James

What causes some scientists to be so sure that Oort belt exists when there is no directevidence of the Oort belt of comets?

Long period comets that pass near our solar system pass infrequently, for them to have such a long period their orbit must extremely large, stretching to distances of the Oort belt These comments must originate from somewhere near our solar system. Only recently have scientists been to see further into space than the Oort belt so it may be a question of time until they observe one. Also scientists accept it as there are no stronger alternative theories.

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Shivam Soneji
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