Haumean Moons Deepen The Dwarf Planet Mystery

The dwarf planets in our Solar System are some of the most interesting objects around. Of course, all of the Solar System objects--and anything in nature, really--are fascinating when you really focus on them. Now, a new study puts the focus squarely on the dwarf planet Haumea, and deepens the mystery surrounding its origins. Dwarf planets Pluto and Haumea are considered cousins. Both of them, and their respective moons, are thought to be collisional families. This means they have a common origi...