"Even the most fleeting visitors can leave a lasting impact."

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object screaming into our solar system from far beyond.

While there's a broad consensus among experts that the object is a comet, observations by four NASA telescopes have defied expectations , showing that it bears a much higher proportion of carbon dioxide gas than expected.

Now, as the BBC reports , new observations by the Gemini South telescope at Cerro Pachón in Chile have revealed that 3I/ATLAS' tail is growing longer, and that its chemical makeup resembles other comets in the solar system more than previous observations had suggested.

The data suggests that interstellar objects like 3I/ATLAS may share many of the evolutionary processes with mo

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