What Causes a Super Harvest Blood Moon? | National Geographic

On Sunday, September 27, a rare super harvest blood moon will be visible in the Americas, Europe, and Africa. The unique lunar phenomenon happens when a set of three events converge at the right time. Find out what’s going to happen.
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Read more about this phenomenon and how you can see it:
http://news.nationalgeographic.com/2015/09/150924-super-total-lunar-eclipse-moon-sky-watching-viewing/

GRAPHICS AND ANIMATION: Daniela Santamarina
PRODUCERS: Jason Kurtis and Daniela Santamarina
ILLUSTRATIONS: Emily M. Eng
MAP: Lauren E. James
SOURCE: NASA

What Causes a Super Harvest Blood Moon? | National Geographic

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