The orbiter Columbia, whose name honors the spirit of Christopher Columbus, was the first vehicle of which NASA program to reach orbit in 1981?

Chris Patten, governor of which British colony, left it on July 1, 1997, aboard the royal yacht Britannia? In 1996 Chris Rock gave campaign-trail commentary for which Bill Maher talk show? Chris Sanders, Barry Sanders and Deion Sanders all played which sport professionally? Chris Stevens, Maggie O'Connell and Dr. Joel Fleischman were characters on which TV series? Chris Columbus wrote which 1984 film directed by Joe Dante, but not its 1990 sequel? In 1656 Christiaan Huygens improved clocks by adding what to them? Which Christian Dior fragrance with a deadly name was introduced in 1985? In 1659 Christiaan Huygens published a correct explanation of which planet's rings?