"Comets, meteorites, and asteroids. The effects of meteorites on the dinosaurs and the shape of our planets surface. The discovery of Iridium concentrations in rock strata and their links to meteorites. Satellite images of craters in Siberia, Mexico, Canada, Australia and Namibia. Computer generated images of meteorites. Chrondites, containing amino acids, supplying the original matter of our solar system"--Container.