(CNN) – Fair warning, once you hear the sound of a black hole, you can’t un-hear it, and it’s a little terrifying.
NASA shared a 34-second clip of the Perseus galaxy cluster, which is about 240 million light-years away from Earth.
Scientists say the black hole sends out pressure waves that cause ripples in the hot gas, which can translate into a note.
To be clear, though, the real note is that humans can’t hear. It is about 57 octaves below middle C.
NASA says they changed the note so we could hear it by amplifying it and mixing it with other data they have about black holes.
The spooky sound will be a perfect addition to your Halloween playlist.
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