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Did Pluto’s moon Charon possess an ancient subsurface ocean?
20 February 2016
Astronomy Now
This image from NASA’s New Horizons spacecraft focuses on a section of the informally named Serenity Chasma, part of a vast equatorial belt of chasms on Pluto’s largest moon, Charon. Scientists believe that Charon’s subsurface water-ice layer may have been partially liquid in its early history, and has since refrozen, expanded and pushed the surface outward, producing the massive chasms we see today.

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The heart of Pluto in high-resolution
29 July 2015
Stephen Clark

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Japanese probe fires rockets to steer into orbit at Venus
7 December 2015
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