campeche, bay of, region

Discusses the discovery of Chicxulub impact crater in Mexico, and tells why the 180 kilometer-wide collision scar is believed to be responsible for the mass extinction on Earth sixty-five million years ago.

Tells the story of the scientific work that went into solving the riddle of what caused the extinction of the dinosaurs, discussing how the theory that the dinosaurs were wiped out by an asteroid has been validated by the discovery of the giant Chicxulub Crater.