How a dinosaur-killing asteroid shook and shaped the earth
NASA concept art of the creation of asteroids

Stephen Kershaw, Senior Lecturer in Environmental Geosciences, Brunel University London The asteroid thought to have killed the dinosaurs smashed into the Earth with a billion times more energy than the atomic bombs dropped on Hiroshima and Nagasaki. Many believe the impact caused a mass extinction, wiping out the dinosaurs on land and numerous lifeforms in the…