Interstellar Comet 3I/ATLAS's Blue Shine Is Surprising Astronomers

Interstellar Comet 3I/ATLAS's Blue Shine Is Surprising Astronomers

Comet 3I/ATLAS, the third known visitor from beyond our Solar System, is brightening rapidly as it approaches perihelion, its closest point to the Sun.

Due to its position behind the Sun, ground-based observations are nearly impossible, so astronomers are using space-based observatories, including solar-monitoring satellites.

Researchers Qicheng Zhang and Karl Battams used these satellites to capture the comet's transformation.

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Autor`s resume: Astronomers observe comet 3I/ATLAS.

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ScienceAlert ScienceAlert — 2025-11-03

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