Impact Theory Cretaceous-Tertiary Extinction Paleontology

Article from the National Museum of Natural History which discusses the impact of a meteorite that struck the Earth 65 million year ago and which is believed to be responsible for the mass extinctions of the period.

• The Cretaceous-tertiary Extinction Bolide - Article from Science Frontiers Online arguing that the discovery of a worldwide iridium-rich layer is supporting evidence for the collision of an asteroid or comet with the earth about 65 million years ago.
• What Killed the Dinosaurs? - Article from the National Museum of Natural History which discusses the impact of a meteorite that struck the Earth 65 million year ago and which is believed to be responsible for the mass extinctions of the period.
• The Great Extinction - Synopsis of a lecture at the University of impact theory Manchester on the causes of the disappearance of impact theory the dinosaurs, particularly the hypothesis that they were impact theory wiped out due to a cosmic disaster.

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