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Gemini South telescope captures expanding tail of interstellar comet 3I-Atlas

Updated on: 06 September,2025 09:27 AM IST  |  Florida
Agencies |

They show a wide coma of dust and gas around the ice ball as it speeds toward the sun, and also a tail that’s more extended than it was in previous shots. The new images confirm that the comet is becoming more active

Gemini South telescope captures expanding tail of interstellar comet 3I-Atlas

3I-Atlas is 384 million kilometres from Earth. PIC courtesy/NoirLab

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Observations by the Gemini South telescope in Chile reveal a growing tail on a comet that’s visiting from another star, in the most detailed pictures taken of the recently discovered 3I-Atlas.

They show a wide coma of dust and gas around the ice ball as it speeds toward the sun, and also a tail that’s more extended than it was in previous shots. The new images confirm that the comet is becoming more active.


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