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Monday, April 14, 2014

Get ready for a lunar eclipse

If you live in North America, you're going to have a chance to see a lunar eclipse tonight.

A lunar eclipse occurs when the moon passes through Earth's shadow. Phil Plait has an excellent description of this upcoming event over at Bad Astronomy, including this helpful diagram:

geometry of an eclipse
Note: objects are not to scale. Drawing by Shutterstock / fluidworkshop 

You can also see an explanation of how the eclipse will effect the Lunar Reconnaissance Orbiter (LRO), which is currently orbiting the moon, below:

When is the best viewing? The main event should take place between about 2- 5 am EDT. Plan accordingly.

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