PARIS (AFP) - Should it be named after a Greek or Roman god? A great scientist or artist? How about calling it after a character in the "Star Wars" film series? Or your best friend? The British magazine New Scientist has called on readers to help suggest a name for the solar system's 10th planet, whose discovery was announced last week by a team led by US astronomer Mike Brown of the California Institute of Technology. The new world has been given the provisional designation of 2003 UB313. But Brown has 10 years in which to think of a catchier...