Science
Oort Cloud news: How many comets from elsewhere? – EarthSky
Interstellar objects may dominated the Oort Cloud, according to two scientists from Harvard. Their calculations are based on…
Comet Borisov, spotted in 2019, was a visitor from another solar system. It’s the 2nd known interstellar object, and 1st known interstellar comet. But could there be billions more interstellar comets in the Oort Cloud? Image via NASA/ ESA/ D. Jewitt (UCLA).
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