12 billion years old, this interstellar comet is older than our solar system
Jun 28, 2026
One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was quickly recognized as something special.
https://phys.org/news/2026-06-billion-years-interstellar-comet-older.html
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