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perspective
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Examine the observable universe's place within the whole universe
Understand Albert Einstein's theory of relativity, about what is absolute and not relative
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Examine the observable universe's place within the whole universe
Learn about defining and measuring the observable universe within the “whole” universe.
Video: © MinutePhysics (A Britannica Publishing Partner)
Understand Albert Einstein's theory of relativity, about what is absolute and not relative
Description of Albert Einstein's theory of relativity as a theory about what is absolute...
Video: © MinutePhysics (A Britannica Publishing Partner)