• Corpus ID: 248227821

The 2019 Discovery of a Meteor of Interstellar Origin

@inproceedings{Siraj2019The2D,
  title={The 2019 Discovery of a Meteor of Interstellar Origin},
  author={Amir Siraj and Abraham Loeb},
  year={2019}
}
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 ∼ 100 m. This was followed by the discovery of Borisov, which allowed for a similar calibration of its size ∼ 0 . 4 − 1 km. One would expect a much higher abundance of significantly smaller interstellar objects, with some of them colliding with Earth frequently enough to be noticeable. Based on the CNEOS… 

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