If you want to get all scientific about it and you really care about the answer, go
here.
If you want a really good laugh, read the comment thread in response to this headline
here!
I know, I know, I'm easily amused. But seriously, a headline that screams "Did Two Giant Collisions Turn Uranus On It's Side?"? Only a person completely DEVOID of an ounce of humor could not find this hysterical!
It's Friday, you're welcome!