Published: Dec 16, 2025, 21:49 IST | Updated: Dec 16, 2025, 21:49 IST
Comet 3I/Atlas, often dubbed the “alien green comet,” is making a rare and historic flyby of Earth, drawing global attention from astronomers and skywatchers. Scientists say the comet’s unusual glow and trajectory make it a unique object of study.
This video explains where the comet came from, why it appears green, how close it will pass Earth, and what this rare event means for space research.