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The World Almanac Video: The Expanding Universe [DVD]
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World Almanac Video: The Expanding Universe - The Planets
World Almanac Video: The Expanding Universe - The Big Bang
Many believe "the Big Bang Theory" provides the best explanation for how our universe originally came into existence. This episode of The Expanding Universe series explores this theory and examines how the discoveries of Albert Einstein, Edwin Hubble, and Sir Isaac Newton contributed to the first formulation of the theory in 1964. Viewers will also learn how the Big Bang Theory helps scientists study past events that have occurred within our universe. ~ Elizabeth Smith, Rovi

World Almanac Video: The Expanding Universe - The Sun and Other Stars
World Almanac Video: The Expanding Universe - Searching for Other Life Forms
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