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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 ...
Interstellar Comet in Solar System Might Be 7 Billion Years Old
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...
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 ...
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 ...
Astronomers spot an interstellar object zipping through our solar system
Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...
Rare object from another star spotted zipping around our solar system
A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...
Expert reveals key piece of evidence that interstellar object zooming through our solar system 'is alien spacecraft'
It was only discovered last month (1 July) by the ATLAS survey telescope in Chile and NASA was quick to confirm that the ...
It Came From Outside Our Solar System, and It Looks Like a Comet
I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...
NASA finds new interstellar comet passing through solar system
NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...
Interesting Engineering on MSN3d
7 billion-year-old mysterious comet is the oldest known guest in our solar system
It’s a fantastic opportunity to test our model on something new and possibly ancient.” The scientist explained that the comet ...