An astronaut captured this picture of Bowknot Bend, a section of the Green River in Utah as it doubles back on itself from the International Space Station.

Have you ever looked out of the window of a plane or building and made shapes, numbers or letters out of objects that weren't intended to be seen that way? Well, if you have, what NASA just did will blow your mind.

In a joint operation involving readers, employees and their colleagues, NASA, in their typical fashion, took things to a whole new level and put together a collection of satellite images that cover all 26 letters from A-Z.

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As you'll see, letters like "O" and "C" can be pretty common to come across, but the real test was finding things that come together to make more complex letters, like "A," "B," "N" or "Z".

can be seen on NASA's website.

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