Listen to the spooky sounds of a black hole

NASA astrophysicists have sped up the sound waves of the Perseus black hole so that humans can hear the spacey moans. From the New York Times:

In 2003 astrophysicists working with NASA's orbiting Chandra X-ray Observatory detected a pattern of ripples in the X-ray glow of a giant cluster of galaxies in the constellation Perseus. — Read the rest