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Scientists Say Some Ejected Comets Could Return to Our Solar System

Researchers say rare “quasi-interstellar objects” could be comets ejected by our solar system that eventually return after drifting through the galaxy.

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Our solar system creates many comets that it then spits out into the inky vastness of space, presumably never to return. Only, that may not be the case forever. According to a preprint study available on arXiv and detailed by IFLScience, some of the comets our solar system has ejected might eventually circle back.

Astronomers call them “quasi-interstellar objects,” and unlike true interstellar objects, which originated from outside our solar system, such as 3I/ATLAS, whose journey through our solar system I........

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