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'The Thin Blue Line': Astronaut Captures View Of Earth's Horizon At Sunset (PHOTO)

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The International Space Station has an angle on Earth unlike any other in the history of mankind.

That's why it keeps producing so many incredible images and videos of the planet we thought we knew.

This shot was taken moments before the sun hides behind the Earth, and at the exact moment its light illuminates the outer atmosphere. The result is an iconic blend of blue, pink and purple in the airglow that artists have often portrayed, but is rarely photographed.

The ISS Expedition Three crew captured this shot on September 16, 2001, but NASA featured it as their "Image Of The Day" on September 19, 2011. It's so stunning that it could make you sad that the program's days are numbered. Hopefully, whatever replaces the ISS after Russia takes it down in 2020 will give us the same exciting views and even better images of space.

Want more ISS images? Click here to view a time-lapse of images. Scroll down for video of the Aurora Australis or Southern Lights over Earth's Southern Hemisphere.

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