Vesta and Ceres, the most unexplored bits of the solar system.
Ceres (dwarf planet - Wikipedia, the free encyclopedia)
4 Vesta - Wikipedia, the free encyclopedia
I'm not sure the extent to which these photos have been enhanced, from a color point of view. But if these are the best photos Hubble has given us, then I can't wait to see what the Dawn mission will reveal in a few years time.
Man, I hope those are ice-worlds; possibly even life worlds. That looks like glacial-sludge type oceans, and even continents. Although, we are told they are barren rocks. Hopefully (with any luck) they may prove to be the most under-rated celestial objects ever.:detective:
;-j