The result (below, published by NASA in May, is an unearthly (apparently howl that, to be honest, sounds not only scary but a little angry. For the first time, these sound waves were extracted and voiced. What is happening on this record? Well, we may not be able to hear sound in space, but that doesn't mean it isn't there. In , astronomers discovered something truly strange: acoustic waves propagating through the vast amount of gas surrounding the supermassive black hole at the center of the Perseus galaxy cluster, which is now known for its eerie screams. We wouldn't be able to hear them at the current volume level. The waves include the lowest note in the universe ever detected by manwell below the limits of human hearing.
But in a recent acoustic treatment, the recording was not only bumped up a whole octave, but notes revealed by the black hole were added so we could understand how they would sound in intergalactic space. The sound waves were extracted radially, or outward, from the supermassive black hole at the center Switzerland WhatsApp Number List of the Perseus cluster, and played counterclockwise from the center, so that we can hear sounds in all directions from the supermassive black hole. The result turned out to be eerie, like many waves recorded from space and transposed into sound frequencies. However, these sounds are not just a scientific wonder.
The gravitational gas and plasma drifting between galaxies in galaxy clusters the so-called intracluster mediums denser and much hotter than the intergalactic medium outside the galaxy clusters. Sound waves propagating through the intracluster medium are one mechanism by which it can heat up, as they transfer energy through the plasma. Because temperature helps regulate star formation, sound waves can play an important role in the evolution of galaxy clusters over long timescales. It is this heat that allows us to detect sound waves. Because the intracluster medium is so hot, it glows brightly in.