Denver Museum of Nature & Science

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Asteroid Theory

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Asteroid Theory

Fun-o-saurs

Ages 4 & 5
Act like a paleontologist as you examine and study fossils, visit Prehistoric Journey and dig for "bones".

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Paddle a canoe through lands reached only by river, follow eagles in flight, keep an eye out for abundant wildlife, and ponder erosions carving the landscapes of the West from the vantage point of the river that is doing the carving.

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March 25, 2010
What killed the dinosaurs? For years, scientists have come up with different theories -- everything from massive volcanoes to multiple asteroids hitting the Earth. In this Science Bite, Museum scientist Kirk Johnson explains how an international team of scientists came to the conclusion that a single, giant asteroid was the real dinosaur killer.