Interstellar Object 3I/ATLAS Changed Color Again, And Shows Signs Of Non-Gravitational Acceleration

November 4, 2025

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1 min read

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IFLScience

Behind the Sun, the comet appears to show signs of acceleration beyond what is expected by gravity. And for reasons not yet clear, it appears to have changed color.

For those of you who haven't been following the story of our third interstellar visitor, on July 1, astronomers at the Asteroid Terrestrial-impact Last Alert System (ATLAS) spotted an object hurtling through our Solar System on an escape trajectory. ... [5379 chars]

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Source: IFLScience

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