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Pluto's 'hulk-Like' Moon Charon: A Possible Ancient Ocean?

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Charon canyons

A close-up of the canyons on Charon, Pluto's big moon, taken by New Horizons during its close approach to the Pluto system last July. Multiple views taken by New Horizons as it passed by Charon allow stereo measurements of topography, shown in the color-c


Pluto's largest moon may have gotten too big for its own skin.

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