A strange black hole is acting even stranger

A strange black hole is making scientists scratch their heads.The distant object, dubbed "1ES 1927+654" and packing the mass of 1 million suns, previously stunned astronomers when its corona — a billion-degree cloud of rapidly moving particles enveloping a black hole — suddenly vanished. (It's since returned.) Now, scientists have observed flashes of X-rays shooting out from the black hole, and these flashes are speeding up. At first these powerful events happened every 18 minutes; i