Green 'Alien' comet 3I/ATLAS sparks global alert
Edited By WION Video Desk
Published: Dec 16, 2025, 23:04 IST | Updated: Dec 16, 2025, 23:04 IST
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A rare interstellar comet is racing through our solar system. Comet 3I/ATLAS is glowing bright green, growing more active and offering scientists a once-in-a-lifetime chance to study material from another star system. What makes it glow? How close will it come? And why are astronomers calling this a cosmic gift?
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