Understanding Lunar Eclipses

  • Released Tuesday, April 8, 2014

What can cause the full Moon to quickly darken, then glow red? A lunar eclipse: a striking display of orbital mechanics that occurs when the Moon passes through the Earth's shadow. To learn more, watch the video below.

For More Information


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

Release date

This page was originally published on Tuesday, April 8, 2014.
This page was last updated on Wednesday, May 3, 2023 at 1:51 PM EDT.


This visualization is related to the following missions:


This visualization can be found in the following series:


This visualization originally appeared on the following tapes: