Solar System’s Oort Cloud Repository for Interstellar Objects
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Astronomers at the Center for Astrophysics at Harvard and Smithsonian Institutions (CfA) present new calculations showing that the Oort Cloud…
comet borisov
Pyramid-Era Comet Was Part of Even Larger Space Chunk
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Astronomers using the Hubble Space Telescope have found that Comet C / 2019 Y4 (ATLAS), which unexpectedly disintegrated last spring,…
An Undisturbed Ancient Relic of Our Galaxy is Flying Through Our Solar System
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Astronomers have found that the first-ever interstellar comet Borisov was also the first observable relic of its planetary system, which…