Double Impact: Did 2 Giant Collisions Turn Uranus on Its Side?
Friday, October 7, 2011 - 05:30
in Astronomy & Space
NANTES, France--Knock, knock. That's not the start of a joke but the hard-luck history of Uranus. New research suggests that the giant planet may have suffered two massive impacts early in its history, which would account for its extreme, mysterious axial tilt. [More]