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Elementary Science Education

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    • #281

      Nebel
      Participant

      The day-night cycle is caused by the Earth’s rotation as seen in this animation.

      Because of the Earth’s rotation, stars appear to move in a circle around the North Star which happens to be located almost exactly in line with the Earth’s axis. Time laps photos show this effect.

      http://indianapublicmedia.org/amomentofscience/north-star-2/

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