A light-year is a unit that measures what?

A library stands on the site of the University of Chicago's old Stagg Field. In 1939 the university dropped which sport… Which librettist was born in London on November 18, 1836? Which word means a light, sharp blow, as on a door or across the knuckles? Which word means both a light stroking touch and a dense growth of bushes? A limited edition of which 1980 Stephen King novel featured an aluminum-coated asbestos cloth cover? A limited-edition silver dollar featured which Black baseball pioneer and the inscription "Rookie of the Year 1947"? A line drawn in 1493 divided claims in the New World between which two countries? A line from which 1894 Kipling book says Rikki-Tikki "had a right to be proud of himself; but he did not grow too proud…