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.

In June 2013, scientists found PAHs in this body's atmosphere. The Ligeia and Kraken Mares are found on this body, which undergoes a sort of "anti- greenhouse effect" due to the large concentration of organic molecules. This object, which is in resonance with Hyperion, has an orange smog caused by the breakup of methane in its atmosphere. Methane is also present in this moon's lakes. The Huygens portion of the Cassini-Huygens mission explored this moon. For 10 points, name this moon, the second largest in the solar system and the largest moon of Saturn.
Science

Vivaldi wrote 37 concertos for this instrument; the most famous of which is probably La Notte.
Fine Arts

In the wake of this battle, a pursuing group of victors were ambushed and killed near an area known as The Malfosse. One side's troops consisted of a select number of Huscarls, or professional soldiers, while the majority of their forces were peasantry called Fyrd. That side attempted to form a shield wall to hold off the enemy's cavalry, but those forces, loyal to Harold Godwinson, were defeated by the Norman invaders under William the Conqueror. For 10 points, name this 1066 battle fought in Britain.
History