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Comet C/2025 K1 Shines Bright After Near-Sun Encounter

11/5/2025

47 9

Summary

Story summary

Comet C/2025 K1 (ATLAS) brightened to magnitude 9 and shifted from green to a golden hue after surviving its close passage to the Sun on October 8, 2025.
It became visible with binoculars.
Discovered in May 2025, it is an Oort cloud comet with unusually low carbon levels and a significant dust release.
Its closest Earth approach will occur on November 24, 2025, near Ursa Major in the Northern Hemisphere.

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Story summary

Comet C/2025 K1 (ATLAS) brightened to magnitude 9 and shifted from green to a golden hue after surviving its close passage to the Sun on October 8, 2025.
It became visible with binoculars.
Discovered in May 2025, it is an Oort cloud comet with unusually low carbon levels and a significant dust release.
Its closest Earth approach will occur on November 24, 2025, near Ursa Major in the Northern Hemisphere.