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What Causes Precession and Other Orbital Changes

Provided by: Khan Academy |Published on: April 27, 2021
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Synopsis

  • This video explains that the Earth is not a perfect sphere, but that the diameter of the equator is wider than the diameter from pole to pole. 
  • Students will learn that the gravitational pull of the sun and the moon on the asymmetrical shape of the Earth causes precession, a change in the direction of Earth's axial tilt. 
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Subjects: Earth and Space Sciences
Authors: Khan Academy
Region: Global
Languages: English

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