Spectrophotometric Evidence For A Metal-bearing, Carbonaceous, and Pristine Interstellar Comet 3I/ATLAS
3I/ATLAS is only the second confirmed cometary object known to enter the Solar System from interstellar space. Source: https://astrobiology.com/2025/11/spectrophotometric-evidence-for-a-metal-bearing-carbonaceous-and-pristine-interstellar-comet-3i-atlas.html READ from source