Appolo 11 at 50

First it was a heavenly body—a beacon, or a world, a place where no one could possibly go. Then, from 1969 to 1972, twelve people landed there in spaceships. On behalf of all humanity, they said. Is it time to go back? Moon fever is rising. The fiftieth anniversary of the first lunar landing has stirred dormant memories and produced a bounty of books, films, and exhibitions. Meanwhile, technocrat billionaires have helped catalyze a new moon race. Elon Musk is marketing moon trips to the superrich, and Jeff Bezos says we should colonize the moon to save the earth. China landed a robot called Jade Rabbit 2 on the far side in January, and India is trying to get a water-seeking rover, Chandrayaan-2, to the lunar south pole.