Black holes produce sounds
Even though black holes are in the depths of space, they do make noise. The sounds emitted by black holes are at a wavelength much higher than what humans can hear. Do you have an idea of what those noises might sound like?
Astronomers have detected sound waves from the closest supermassive black hole to Earth. This is regarded as the lowest note ever heard from any celestial body. The sounds are formed due to matters being pulled into the event horizon. Here, it is supercharged to a speed close to light resulting in a sound that we can hear because space is not actually a vacuum; hence, sound can travel thousands or even millions of light-years away.