Third known interstellar visitor 3I/ATLAS may be billions of years older than the solar system, study finds
Jun 22, 2026
An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is unlike anything ever seen before in our cosmic backyard, astronomers said Monday.
https://phys.org/news/2026-06-interstellar-visitor-3iatlas-billions-years.html
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