The great extinction, the solution to one of the great mysteries of science: the disappearance of the dinosaurs
Argues that the extinction of the dinosaurs was caused by a collision between the earth and a meteorite that resulted in atmospheric pollution and hazardous chemical conditions that destroyed larger animals.
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Clues from the Clays
3 Gradual or Sudden?
F The Barrel of Fire
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65 million acid aerosols amount angiosperms archosaurs atoms birds body boundary clays carbon carnivores catastrophe caused chemical climate cloud comet concentration cooling crater Cretaceous crust dense dinosaurs dioxide disappeared dust Earth effect eggs elements energy environment eruption event evolved exist explosion extinctions fish fossils galaxy Gubbio habitat happened heat hemisphere herbivores homoiothermic human increase iridium iridium and osmium isotopes kilometers per second Krakatoa land layer less living mammals mass material metals meteorites meters microorganisms million years ago move noble metals North Atlantic occurred ocean oceanic crust orbit organisms osmium ovoviviparous oxides oxygen ozone particles perhaps period planetesimal planetesimal impact plankton plants plasma poikilothermic possible probably produce pterosaurs radiation remains reptiles rock seabed soil solar system solid species speed stratosphere supernova surface survived temperature terrestrial Tertiary tion tropopause troposphere viviparous volcanic warm waves