![inside a black hole inside a black hole](https://cdn.images.express.co.uk/img/dynamic/151/590x/secondary/Black-hole-picture-what-is-a-black-hole-survive-inside-event-horizon-singularity-1821181.jpg)
In honor of black hole week, the agency extracted the already-identified black hole sound waves and scaled them up by 57 and 58 octaves so we can all, finally, listen to the call of the void.
![inside a black hole inside a black hole](https://i.ytimg.com/vi/2Tpirp-KM-0/maxresdefault.jpg)
Our human ears can't hear that, which is where NASA's remix comes in. When scientists completed the translation, or sonification process, they found that Perseus' abyss plays a note that's a whopping 57 octaves below middle C. Although the singularity inside the black hole is infinitely small the black hole would appear to be the size of its event horizon, and to all effects is. But, for a long time, there was a major hurdle preventing us from listening to the black hole's song. It can create sound wave vibrations, and those are the hot gas ripples scientists are focused on.Īs such, in 2003, a team from NASA's Chandra X-ray Observatory took astronomical data from the gassy ripples and translated that into normal sound waves we're used to on Earth. A firewall at the black hole horizon would resolve this by destroying the in-falling observer, thus eliminating one of the three parties involved in the unlawful entanglement. Perseus' black hole, on the other hand, gets past this space vacuum sound barrier because it's so close to the cluster's gas. But this is not a black hole, in that it isnt singular in. In this point of view, the matter inside the universe and the cosmological constant are, together, responsible for the shape of the enclosing horizon, or black hole. Their waves just don't have anything to vibrate. General relativity (that same theory supported by so many experiments and needed to make the GPS system work) predicts that, simply by compressing any piece of. The proper view is that the universe itself is an inside-out black hole, with a cosmological horizon that surrounds us. But the silence isn't because cosmic objects aren't making sounds. This is why space is often considered totally quiet. Considering our galaxy alone holds 100m stellar-mass black holes and that our own galaxy, the Milky Way, has a supermassive black hole at its centre so enormous that it would fit inside the orbit of Mercury 17 maybe it’s time we started to learn more about these enigmatic phenomena. Our ears can capture those vibrations and turn them into listenable noise here on Earth, but in space, things are a little different.īecause space is a vacuum, there isn't any medium for sound waves to travel through. This process is draining for the black hole, causing it to get lighter and smaller as it emits energy in the form of the outgoing particles. Think of sound waves as the vibration of air - or rather, the vibration of things (atoms, molecules) within the air. These waves sort of ripple through all the surrounding hot gas in the area, and those ripples, in essence, can be translated into sound. The inside of a black hole has a gravitational pull that is such that we cannot 'see' whats going on with our human eyes a model of whats going on must be calculated mathematically. Decades ago, astronomers discovered Perseus' void-like interior sends out pressure waves.