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News

Interstellar object 'may be oldest comet ever seen'

Phys.org on MSN · 3h
3I/ATLAS: Interstellar object 'may be oldest comet ever seen'
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say.
Space.com on MSN · 3h
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.
BBC on MSN · 3h
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. Named 3I/Atlas, it may be three billion years older than our own solar system, suggests the team from Oxford university.
2d
What Is an Interstellar Comet? NASA’s Latest Discovery Explained
Discover the rare interstellar comet 3i/Atlas, recently confirmed by NASA in July 2025. Learn what makes interstellar comets ...
Opinion
Space.com on MSN23hOpinion
Why scientists are so excited about the newfound interstellar comet 3I/ATLAS (op-ed)
The scientific and cultural impact of 3I/ATLAS over the coming months and years will serve as an exemplar of what astronomy ...

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