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Awesome video documenting erosion over a year's span. I think it could be a great attention grabber!

Awesome video documenting erosion over a year's span. I think it could be a great attention grabber!

The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them. (Illustration: NASA/CXC/M.Weiss)

The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them. (Illustration: NASA/CXC/M.Weiss)

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