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Science in a Minute: Interstellar Comets Visiting Solar System


Science in a Minute: Interstellar Comets Visiting Solar System
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Astronomers were excited by the 2019 discovery of the first interstellar comet. A new study from a pair of astronomers at the Harvard & Smithsonian Center for Astrophysics suggests that comets originating from outside of our solar system may not be so rare after all. The astronomers calculated that inside of the Oort Cloud, interstellar objects outnumbered those from within our solar system. The Oort Cloud is thought to be a field of icy debris that surrounds the solar system at distances between .03 and 3.2 light-years away.

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