This rendering shows the distant view from still-theoretical Planet 9 back toward the sun.
This rendering shows the distant view from still-theoretical Planet 9 back toward the sun. R. Hurt Associated Press
This rendering shows the distant view from still-theoretical Planet 9 back toward the sun. R. Hurt Associated Press

New evidence points to giant 9th planet on solar system edge

January 20, 2016 09:43 PM