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Lunar Eclipses

The alignment of the Sun, Moon and Earth leads to a lunar eclipse; what happens during one.

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Eclipse Myths

Eclipse Myths


From the surface of the moon, a lunar eclipse would look like Earth blocking the Sun. The surface of the moon would appear red.

Why it Matters

Moon phase calendar from May-June 2005

  • The moon looks different every night due to its different phases. The phases repeat about once per month.
  • Lunar eclipses occur much less frequently; they are spectacular when they do occur.
  • The moon turns blood red during the eclipse.

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With the links below, learn more about lunar eclipses. Then answer the following questions.

  1. About how often does a lunar eclipse happen and why?
  2. What are the stages of an eclipse and how much light is blocked?
  3. In Chinese mythology, what causes a lunar eclipse?
  4. How did the Chinese stop this from happening?
  5. How did Columbus use a lunar eclipse to his advantage?

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