What does a giant black hole and its galaxy sound like? - Space.com

The first black hole to ever get its picture taken has just released a song.

Meet the newest stars on the music scene. Well, not stars precisely. Messier 87 (M87), is an elliptical galaxy about 55 million light-years from Earth. At its center is a black hole with a mass that… [+3881 chars]

full article...