Astronomers have attempted to explain the non-gravitational acceleration of comet 3I/ATLAS, our third confirmed interstellar visitor, in a way that removes the need for "non-natural hypotheses for 3I/ATLAS". The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

You probably are aware of our celestial visitor by now, but for those who are just joining the story, here's what we know so far. On July 1, 2025 , an object was spotted shooting through our Solar System on an escape trajectory. With observations from Asteroid Terrestrial-impact Last Alert System (ATLAS) and many other of the world's telescopes, it was soon determined to be an interstellar object (if you're interested, here is how we know that ).

It was also quickly confirmed to

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