KnowraLong-period cometLinked fromLinked fromThe 7 pages that link to Long-period comet, each with the reason it gives.All 7Broader topic 3Related 1Narrower topic 2Compared with 1Oort cloudBroader topic: Perturbations of Oort-cloud objects can place them on these elongated orbits.Comet nucleusBroader topic: Its nucleus may have spent most of its history in the distant Oort cloud.Jan OortBroader topic: Oort’s model explained these comets as bodies perturbed inward from great distances.