Bengaluru residents were treated to a rare celestial sight on Saturday evening as Comet Lemmon (C/2025 A6) appeared above the city’s western horizon. Many skywatchers shared photos of the faint green comet, which was visible for a short time.

The event offered a special chance to see an icy visitor from the outer Solar System. One user on X (formerly Twitter) wrote, “I'm so glad that I witnessed Comet today in the sky @ #Bengaluru.”

“Noticed something in the sky today morning. #Bengaluru # NammaBengaluru ,” another post stated. Also Read | 3I/ATLAS Interstellar Comet Highlights: Will 3I/ATLAS reappear again?

Why the comet glows green

The comet’s striking green colour comes from the fluorescence of diatomic carbon (C₂) when exposed to ultraviolet sunlight, rather than reflectio

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