May 18, 2011 THE COAL SPEAKER Maybe that Planet X idea isn’t so far off: Japanese astronomers say they have found free-floating planets that do not orbit a star FacebookTwitter Maybe that Planet X idea isn’t so far off: Japanese astronomers say they have found free-floating planets that do not orbit a star FacebookTwitter Tweet Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related