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I'm Dallas Taylor.

As a sound fanatic, one of my pet peeves is the common misunderstanding about data sonification.

That's when scientists turn information, like numbers or measurements, into sound.

The creepy soundscape you're hearing right now is a sonification of radio emissions from the auroras

on Saturn, which are similar to the northern lights here on Earth.

These signals were captured by the Cassini spacecraft in 2002, but here's the thing.

Radio waves are not sound. They're a type of energy, like x-rays or microwaves, and they

don't create vibrations in the air like sound does. In this case, these waves were oscillating

between 30,000 and 80,000 cycles per second.

To make it audible, researchers mapped this data onto a set of lower frequencies,

kind of like slowing down a really high-pitched whistle until it's within our hearing range.

They also sped up time, playing 27 minutes of data in just 73 seconds.

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