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NASA confirms 3I/ATLAS is 11 billion years old — more than twice the age of our solar system
A comet tearing through the inner solar system at roughly 58 kilometers per second formed between 10 and 12 billion years ago, according to isotopic measurements published this year. That would make ...
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NASA confirms 3I/ATLAS is older than our sun by 6.5 billion years and came from a place unlike anything known
On a winter night in Chile in July 2025, astronomer Larry Denneau’s automated pipeline at the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey flagged a faint smudge drifting against the ...
Our solar system's famous "invader" might be as old as the Milky Way itself. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The interstellar ...
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