Where do 3I/ATLAS and other interstellar visitors come from? The Planetary SocietyHere’s why scientists are expecting to find many more interstellar objects like 3I/ATLAS soon BBC Sky at Night MagazineThe green glow of comet 3I/ATLAS remains unexplained Universe Space TechStrange Green Glow From Interstellar Comet 3I/ATLAS Has Scientists Puzzled ScienceAlertStudying a distant visitor: What we know about Interstellar Object 3I/ATLAS The Planetary Society