Dwarf planet's mysterious surface changes

Eris is the largest known object outside the orbit of neptune,
weighing a third more than pluto. It can therefore be seen as another
plutoid body or dwarf planet. Scientists have found it's icy surface
has changed dramatically during the last few months.

You can read the original article at http://www.newscientist.com/article/dn16009-mysterious-changes-seen-on-distant-dwarf-planet.html

Rudolph