A Naked Black Hole Is Screaming Through the Universe
Millions of years ago, B3 1715+425 was just an ordinary supermassive black hole. It had a comfortable life, of devouring stars and belching deadly x-rays, at the center of its distant galaxy. Now, starless and alone, it’s screaming through space at 2,000 kilometers per second—and it may never stop. BC 1715+425’s troubles began when its…
