Diurnal Motion

  • The general motion of all celestial objects
  • Repeats itself every day
    • Moves at roughly 15˚ per hour (360˚ per day)
  • Everything in the sky rises in the East and sets in the West
  • It appears as though everything is revolving around the Earth
    • The reality is the Earth is rotating under the sky
    • Earth rotates west --> east

Space Astronomy