Chicxulub impact

Overview

The impact of a ~10-kilometre asteroid that formed the Chicxulub crater and is widely linked to the Cretaceous–Paleogene mass extinction, including the end of the non-avian dinosaurs.

Figures are given only where scientifically established; this page describes the event factually, without exaggeration.

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

• BritannicaEncyclopaedia Britannica

  General reference for the history of astronomy, biographies, and cultural context.