Earth Is Just a Pale Blue Dot... Or Pixel... Or...

The image above is what Earth looks like from Saturn, a stunning reminder from NASA's Cassini spacecraft that we're nothing but a small speck of dust. And sometimes, as xkcd points out below, that can be quite literal.

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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/2hLN_3b4u5o/earth-is-just-a-pale-blue-dot-or-pixel-or-999625359

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