This shaded relief view from NASA New Horizons of the region surrounding the left side of Pluto heart-shaped feature, informally named Sputnik Planum, shows that the vast expanse of its icy surface.
This shaded relief view from NASA New Horizons of the region surrounding the left side of Pluto heart-shaped feature, informally named Sputnik Planum, shows that the vast expanse of its icy surface.