I've mentioned that I am always fascinated by images of Pluto because when I was first learning about astronomy, the only pictures available showed a blurry gray blob that honestly could have been anything.
This is a color-enhanced version of an image captured by the New Horizons probe in 2015. It took New Horizons almost ten years and 3 billion miles to reach Pluto—three billion miles! Humans actually built something that made that trip and sent back pictures. And yes, Pluto looks like a nicely toasted meringue in this picture, but still—three billion miles.
Image Credit: NASA, Johns Hopkins Univ./APL, Southwest Research Institute
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