Consider the theory of isostasy as an explanation for landforms and the geologic cycle
The theory of isostasy.
Encyclopædia Britannica, Inc.
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Encyclopædia Britannica, Inc.Watch as a shadow slowly crosses the Earth.
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Encyclopædia Britannica, Inc.In many parts of the world, weather cycles through the four seasons like clockwork: spring, summer, autumn, and winter.
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Encyclopædia Britannica, Inc.Colors result from the electromagnetic radiation of a range of wavelengths visible to the eye.
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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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NASAAurora australis is also known as the southern lights.
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Adapted from C.R. Scotese, The University of Texas at ArlingtonWatch a time-lapse of Earth changing through geologic time, from the Cambrian Era to the projected period of Pangea Proxima.Media Editor: Miranda Chabot
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© MinutePhysics (A Britannica Publishing Partner)Learn about defining and measuring the observable universe within the “whole” universe.
