12 billion years old, this interstellar comet is older than our solar system
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 qu
Phys.org — 28 June 2026
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One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-i
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New study says comet 3I/ATLAS might be oldest interstellar visitor ever
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