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What the Heck Is This?

blue marble earth

This one should not be too hard. If you're stumped, consider that today is Earth Day.

What you're looking at is a part of the planet you don't look at a whole lot. It's the bottom of the world as seen from space overlooking the Western Hemisphere.  And it's part of NASA's Blue Marble series of images.

See the full picture below.

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The big Blue Marble, Earth, as seen from space. (Image credit: NASA)
Robert Roy Britt
Rob was a writer and editor at Space.com starting in 1999. He served as managing editor of Live Science at its launch in 2004. He is now Chief Content Officer overseeing media properties for the sites’ parent company, Purch. Prior to joining the company, Rob was an editor at The Star-Ledger in New Jersey, and in 1998 he was founder and editor of the science news website ExploreZone. He has a journalism degree from Humboldt State University in California.