Eclipses

Sun and MoonAn eclipse is an astronomical event that occurs when one celestial object passes in front of another. The difference between a lunar and solar eclipse depends upon the alignment of the Sun, the Moon, and the Earth. Whether or not a person can view an eclipse depends upon their location on Earth relevant to this alignment. In this topic, you will explore how and why eclipses occur.

Essential Question

  • What is the difference between a solar eclipse and a lunar eclipse?