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Interstellar object 'may be oldest comet ever seen'

Astronomers say new interstellar visitor 3I/ATLAS is 'very likely to be the oldest comet we have ever seen'

I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests it's also the oldest comet ever seen, at over 7 billion years old.

· 3h · on MSN

This New Interstellar Object Could Possibly Be The Oldest Comet Ever Seen

· 1d · on MSN

3I/ATLAS: Interstellar object 'may be oldest comet ever seen'

· 1d

Mystery interstellar object could be oldest known comet

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

· 1d

NASA Astronomers Just Discovered a Comet that Flew Here from Interstellar Space

New Scientist · 2d

Interstellar visitor 3I/ATLAS might be the oldest comet ever seen

The Weather Network2h

An alien comet is now passing through our solar system. Here's what we know

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, spotted a new object just inside the orbit of Jupiter. ATLAS scans the sky every night looking for any new comets or asteroids, with specific interest in anything that could be on a collision course with Earth.

21hon MSN

Comet believed to be 3 billion years older than our solar system

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.

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