3I/ATLAS and the Enigma of the Nickel Comet: Why This Interstellar Visitor Defies Explanation

Many believe all comets are frozen water and cosmic dust racing around the Sun with dramatic tails. Comet 3I/ATLAS challenges that notion. It features an unexpected plume of nickel and a unique chemical signature, reshaping planetary science. A bit of background: Astronomers recently accepted that solid objects can pass Earth from outside our solar system. […]