Linguofreak
Well-known member
I think the title of the paper speaks for itself:
arxiv.org
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The 2019 Discovery of a Meteor of Interstellar Origin
The earliest confirmed interstellar object, `Oumuamua, was discovered in the Solar System by Pan-STARRS in 2017, allowing for a calibration of the abundance of interstellar objects of its size $\sim 100\;$ m. This was followed by the discovery of Borisov, which allowed for a similar calibration...
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