NASA | Lunar Eclipse Essentials

When the moon passes through the Earth's shadow, it causes the moon to look very unusual for a short period of time. This event is called a lunar eclipse, and it occurs roughly twice a year. There's one viewable to folks outside of North America on June 15, so sit back and learn more about how lunar eclipses work in this video!

This video is also available in stereoscopic 3D, viewable by many kinds of 3D devices, including common red/blue paper glasses that you might have lying around! To view this video in 3D, click here: http://youtu.be/F5JRVOw6mes

Credit goes to TheWusa from de.wikipedia.org for the illustrations that this video's light scattering animations are based on.

This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/goto?10787

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• Category

  Science & Technology

[channelrafy]

Yes, lunar eclipse from the moon would be awesome...

[55bc55ify]

i couldn't pay attention due to the bitchin' music in the background. totally failing my test tmrw!

[roxygirl23ful]

wow

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[Dina Farisha]

cun



[ilovemylife2012]

Than it would be solar eclipse.

[BJHiTunes]

Awesome dude you rock hard booooyyyyy

[Era Lirza]

great

[rimazballerina]

I've never seen it , i need to but how do i know it's a Lunar Eclipse?

[crazykid123ization]

I've seen 1 but didn't know what it was

[ybra]

about 1 to a couple of times a year. you can find out when if you google it

[cam barry]

how often does this happen