"X" marks the spot that's illustrative of "convective churning" resulting from subsurface planetary heating, as seen in a fascinating new super high resolution image received from NASA's New Horizons spacecraft on Christmas Eve, Dec. 24, 2015. Its situated at the very center of the left ventricle of Pluto's huge "heart" - an icy flow plain that's informally named "Sputnik Planum." The "X" feature - see image above - is located in an area of intersecting cells, shaped like polygons, on the plains...
"X" marks the spot that's illustrative of "convective churning" resulting from subsurface planetary heating, as seen in a fascinating new super high resolution image received from NASA's New Horizons spacecraft on Christmas Eve, Dec. 24, 2015. Its situated at the very center of the left ventricle of Pluto's huge "heart" - an icy flow plain that's informally named "Sputnik Planum." The "X" feature - see image above - is located in an area of intersecting cells, shaped like polygons, on the plains...
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