Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Input: Before its discovery, Newton's and Kepler's laws proved the existence of what turned out to be this planet, and near its south pole is a green belt. The white clouds observed in its atmosphere are made of methane, and its largest moon revolves it in a retrograde orbit. The Galle ring surrounds this planet, while the tides on this planet will eventually result in the destruction of Triton. The Great Dark Spot used to exist on, FTP, what planet that is usually closer to the sun than Pluto
Output:
Science