comet chemistry and D/H ratio

Interstellar Comet 3I/ATLAS Lights Up Mars in a Historic NASA Flyby.

November 20, 2025November 20, 2025
Space News

BY:SpaceEyeNews. Interstellar comet 3I/ATLAS: a rare alien visitor over Mars Every now and then, our Solar System gets a visitor that does not belong here.… Interstellar Comet 3I/ATLAS Lights Up Mars in a Historic NASA Flyby.