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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
Robert Roy Britt

Robert is an independent health and science journalist and writer based in Phoenix, Arizona. He is a former editor-in-chief of Live Science with over 20 years of experience as a reporter and editor. He has worked on websites such as Space.com and Tom's Guide, and is a contributor on Medium (opens in new tab), covering how we age and how to optimize the mind and body through time. He has a journalism degree from Humboldt State University in California.