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 have been nearly impossible, but solar-monitoring satellites have filled the gap.
- Researchers used spacecraft like STEREO-A, SOHO, and GOES-19 to track the comet.
- Qicheng Zhang from Lowell Observatory and Karl Battams from the US Naval Research Laboratory led the observation effort.
Related: Strange Green Glow From Interstellar Comet 3I/ATLAS Has Scientists Puzzled
Astronomers are surprised by the comet's blue shine, capturing its dramatic transformation using space-based observatories.
Author's summary: Comet 3I/ATLAS shines blue surprisingly.
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