Strange Green Glow From Interstellar Comet 3I/ATLAS Has Scientists Puzzled

science • 9/19/2025

There's a fascinating mystery here.

Images of interstellar comet 3I/ATLAS snapped during the September 7 total lunar eclipse seem to suggest that the latest visitor to the Solar System may be turning green. That's not all that strange for a comet. Many Solar System comets give off a gr... [1974 chars]