Trojan asteroid in Uranus' orbit: Planets are 'playing ball' with it

Planetary scientists have detected a Trojan -- an asteroid-like object that shares a planet's orbit -- circling the sun ahead of Uranus.



via L.A. Times - Science http://feeds.latimes.com/~r/latimes/news/science/~3/on2DOMw7mZA/la-sci-sn-uranus-trojan-20130829,0,837069.story