Two major mysteries to solve.
Pluto and Charon’s crater-free appearance, and Ceres’s bright spots.
Pics of Nix and Hydra were also posted today.
http://pluto.jhuapl.edu/Multimedia/Science-Photos/image.php?gallery_id=2&image_id=241
Look at the above picture and you’ll see lots of craters in the dark area, but none in the white area, except in the lower left you’ll see a couple of craters that are filled in by the white material. Pluto is an active planet.