http://www.space.com/32508-what-planet-nine-looks-like-possibilities.html
It's interesting that the interior of Planet Nine would have such a large amount of H 2 O present given that is far on the outside of the orbit of Pluto.
Could P9 at one time have been an interior planet that had its orbit altered and ended up far outside the orbit of Pluto?
It's interesting that the interior of Planet Nine would have such a large amount of H 2 O present given that is far on the outside of the orbit of Pluto.
Could P9 at one time have been an interior planet that had its orbit altered and ended up far outside the orbit of Pluto?