The NASA Exoplanets social media team recently released an audio recording of a black hole(opens in new tab), an ultra-dense cosmic body left over from a collapsed star. Conventional wisdom holds that sound waves can't travel through the vacuum of space, having no medium to move through, but NASA's post mentions that gas-dense galaxy clusters actually contain enough matter for the agency to record distant sounds.
The result is incredibly unnerving, a sort of hollow chorus of ethereal moaning that feels perfectly at home in some kind of experimental horror project. It's another compelling reminder that you don't have to turn to fiction to find the cosmic horror in the cosmos.
The misconception that there is no sound in space originates because most space is a ~vacuum, providing no way for sound waves to travel. A galaxy cluster has so much gas that we've picked up actual sound. Here it's amplified, and mixed with other data, to hear a black hole! pic.twitter.com/RobcZs7F9eAugust 21, 2022
The most important takeaway is that videogames and old sci fi shows were right all along, and prestige sci fi stuff from the 2000s onward with silent outer space scenes can suck it. Every nerd on TV Tropes who exaggeratedly adjusted their glasses before pointing out that space battle sound effects are unrealistic has been soundly rebuffed, and by the agency that put a man on the Moon with human calculators(opens in new tab) no less.
Alright, maybe the pew pews and kabooms of Trek and Battlestar Galactica don't hold up to scrutiny, but the silent space of a SyFy Channel original probably isn't quite there either. The heart of the matter might be that human senses just aren't cut out for the void at any level, and all we have is artistic
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