An unplanned adventure that prolongs a road trip may be an exciting prospect for many of us. But when an expedition in the outer space becomes unexpectedly protracted? Not so much. On March 18, NASA astronauts Sunita Williams and Butch Wilmore finally returned to Earth after an unforeseen, nine-month long space odyssey. A sojourn, which was meant to be only eight days long, kept getting extended due to a host of technical failures. World over, prayers were sent up, quite literally, for Williams and Wilmore to come down.