NASA has just released some stunning pics of the surface of Pluto. On these, there is even a little bit of "I wonder what that is"?? We of Earth may not be spending much time of any sort at or around Pluto for quite some time, but it does seem that just as with Pluto, every Solar System body does provide questions of interest that maybe can be answered in due time!
Also a Fox New article today on this: http://www.foxnews.com/science/2015/09/17/nasa-releases-dramatic-pluto-images/?intcmp=hpbt1#
These pics do have what is our best view of Pluto's surface area that I have seen.
http://www.nasa.gov/mission_pages/newhorizons/images/index.html?id=370517
(http://s2.postimg.org/m7opt7gih/Screen_Shot_2015_09_17_at_5_17_02_PM.jpg)
http://www.nasa.gov/image-feature/near-surface-haze-or-fog-on-pluto
(http://s22.postimg.org/ixpcbwmtd/Screen_Shot_2015_09_17_at_5_24_23_PM.jpg)
http://www.nasa.gov/mission_pages/newhorizons/images/index.html?id=366735
(http://s24.postimg.org/etbvja885/Screen_Shot_2015_09_17_at_5_28_46_PM.jpg)