Large interstellar visitors like asteroids and comets were detected the first time in the solar system in 2017 (1I/ʻOumuamua) and 2019 (2I/Borisov) and are expected to be detected more frequently with new telescopes, e.g. the Vera Rubin Observatory. Amir Siraj and Avi Loeb have predicted that ...

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Source: Wikipedia Curated by SERA on 2/4/2026