KnowraChicxulub impactorLinked fromLinked fromThe 9 pages that link to Chicxulub impactor, each with the reason it gives.All 9Broader topic 4Related 5Cretaceous–Paleogene extinction eventRelated: Its collision released the energy that initiated the extinction crisis.AsteroidRelated: Its impact is linked to the mass extinction that ended the Cretaceous.K–Pg boundaryRelated: Its impact is the leading explanation for the abrupt environmental disruption recorded at the boundary.Iridium anomalyRelated: An impactor rich in iridium can account for the boundary layer's unusual concentration.Cretaceous–Paleogene boundaryRelated: Its impact is the leading cause of the abrupt extinction associated with the boundary.