Watch Earth's Continents Move
Watch a time-lapse of Earth changing through geologic time, from the Cambrian Era to the projected period of Pangea Proxima.
Adapted from C.R. Scotese, The University of Texas at Arlington
Media Editor:
Miranda Chabot
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Science in Seconds (www.scienceinseconds.com) (A Britannica Publishing Partner)Video of Earth as seen from the International Space Station.
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© MinutePhysics (A Britannica Publishing Partner)How Earth is able to remain in orbit by balancing speed and gravitational pull from the Sun.
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Encyclopædia Britannica, Inc.Explanation of why only one side of the Moon faces Earth.
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Created and produced by QA International. © QA International, 2010. All rights reserved. www.qa-international.comThe distribution of the seven continents.
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