Last Look at Plutos Charon Side . ... As the robotic New Horizons barrels toward its closest approach to Pluto and its moons tomorrow, images already coming back show Pluto's surface to be curiouser and curiouser. The featured image , taken two days ago, shows the side of Pluto that always faces Pluto's largest moon Charon. ... Assuming the robotic spacecraft operates as hoped, images taken of the other side of Pluto, taken near closest approach, will be about 300 times more detailed. ...