Interstellar Visitors: What Oumuamua and Borisov Reveal About Planet Formation

To the point

Interstellar visitors like 1I/’Oumuamua and 2I/Borisov show that planet formation ejects small bodies into interstellar space, meaning thousands or more traverse the galaxy and offering clues about how planetary systems form and whether life could hitchhike between worlds, a field advanced by researchers such as Davide Farnocchia, David Jewitt, Amaya Moro-Martín, Robert Weryk, Jane Luu, Marco Micheli, and Avi Loeb.

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Everything Scientists Know So Far about the First Interstellar Objects Ever Detected
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Strange bodies from beyond the solar system have defied predictions