Interstellar Comet 3I/ATLAS Shows Shifting Chemistry after Perihelion
Natali Anderson
Observations from the Subaru Telescope on January 7, 2026, revealed a surprisingly low carbon dioxide-to-water ratio, suggesting the composition of the interstellar comet 3I/ATLAS changed as it heated up near the Sun. The post Interstellar Comet 3I/ATLAS Shows Shifting Chemistry after Perihelion appeared first on Sci.News: Breaking Science News .