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Everything We Know About Interstellar Comet 3I/ATLAS

'Interstellar visitor' 3I/ATLAS could be the oldest comet ever seen — and could grow a spectacular tail later this year

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

Space on MSN · 5h

Telescope spies rare interstellar comet 3I/ATLAS zooming through our solar system (photos)

Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not loop back around the sun. That's why astronomers around the world are using a wide variety of telescopes to observe the comet during its brief visit, before it returns to interstellar space.

Scientific American · 6h

7 Big Mysteries about Interstellar Object 3I/ATLAS

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever

An Interstellar Comet Is Here, and Its Age Is Mind-Bending

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

The Print5h

IIA releases images, video of third interstellar visitor 3I/ATLAS

Indian Institute of Astrophysics, Bengaluru, on Thursday released a video and a montage of time-lapse images of the recently spotted comet C/2025 N1 (ATLAS), also known as 3I/ATLAS, for educational ...

13d

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, ...

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 ...

Good News Network7d

Astronomers Spot Interstellar Visitor: a Comet Blazing Through Our Solar System, Just the Third Ever Seen

Dubbed 3I/ATLAS, it is blazing through our cosmic cul-de-sac at truly awe-inspiring speeds between the main asteroid belt and ...

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