Out of Whack Planetary System Offers Clues to Disturbed Past

Astronomers are reporting the discovery of a planetary system way out of tilt, where the orbits of two planets are at a steep angle to each other. This surprising finding will impact theories of how multi-planet systems evolve, and it shows that some violent events can happen to disrupt planets’ orbits after a planetary system forms. For artist illustrations and more information, visit: http://www.nasa.gov/mission_pages/hubble/science/outofwack.html

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