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A 7-Billion-Year-Old Ice Ball Just Entered Our Solar System
A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...
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Our solar system has a new mysterious visitor—what is it?
Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...
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 ...
Mystery space rock blazing through solar system ‘may be oldest comet ever seen’ – and there’s a chance you can spot it
AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...
A mysterious, ancient ’12-mile wide interstellar visitor’ is racing towards us
The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...
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Interstellar object mystery may have been solved as scientists share 'excitement'
Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.
From beyond the stars: Comet from another galaxy enters our solar system
COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...