What determines when we have an eclipse?

  • Released Wednesday, June 14, 2017
  • Updated Monday, November 13, 2017 at 1:56PM
  • ID: 12534

Why are eclipses rare? The moon's orbit is tilted. Sometimes the moon's shadow is too high above the Earth. Sometimes it is too low. Other times, it is just right.


Please give credit for this item to:
NASA's Goddard Space Flight Center


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