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.

[Q]: It exists because of electron degeneracy pressure; as electrons are compressed closer together, more exist per unit volume and must take on higher energy levels as mandated by the Pauli-exclusion principle. A relativistic state equation can be used to calculate it as the radius of a white dwarf decreases with an increase in its mass. Developed shortly before its namesakes theory on black holes, for ten points, name this value of about 1.4 solar masses, the maximum mass of a star which can be supported against gravitational collapse.
[A]: Science

[Q]: Works during this man's Serialist period include the choral work The Dove Descending Breaks the Air and Threni along with a piece commemorating the poet Dylan Thomas. Early in his career he wrote songs such as "The Fairy's Kiss" and The Faun and the Shepherdess along with a popular concerto for orchestra known as Fireworks. His operatic works include the one-act work Rossignol and an opera about Nick Shadow with a libretto by W.H. Auden, The Rake's Progress, but he is better known for his Psalm Symphony and ballets like Petruschka. FTP, name this Russian composer of The Rite of Spring and The Firebird.
[A]: Fine Arts

[Q]: The central figure of this work takes her pose from one of Raphael's Sibyls and it contains simulated bronze reliefs of Mucius Scaevola putting his hand in the fire as well as Scipio sending back a captured maiden to represent the Cardinal Virtues. Near the bottom of this work, a putti places its hand in the mouth of Time, who carries a scythe and sits alongside the Fates. The primary figure is seated on some clouds, where she tells a personification of Rome to take a crown of immortality consisting of stars towards a circle of putti and maidens who hold a garland and the papal tiara and are surrounded by giant golden bees, the heraldic symbol of the family that commissioned it. For 15 points, name this quadratura work commissioned by Urban VIII for the ceiling of the Gran Salon of the Palazzo Barberini, a work of Pietro da Cortona.
[A]:
Fine Arts