![If sound needs air to travel, and there is no air in space, then how are sounds like Saturn's rings recorded? | CBC Radio If sound needs air to travel, and there is no air in space, then how are sounds like Saturn's rings recorded? | CBC Radio](https://i.cbc.ca/1.4056799.1506699412!/fileImage/httpImage/detailed-look-at-saturn-s-rings.jpg)
If sound needs air to travel, and there is no air in space, then how are sounds like Saturn's rings recorded? | CBC Radio
![Keith Smith on Twitter: "Saturn emits radio waves with really long wavelengths, many kilometres. Lamy et al. examine conditions within the plasma that emits these radio waves, which is time variable and Keith Smith on Twitter: "Saturn emits radio waves with really long wavelengths, many kilometres. Lamy et al. examine conditions within the plasma that emits these radio waves, which is time variable and](https://pbs.twimg.com/media/DorvpEeWwAYN5JJ.jpg)
Keith Smith on Twitter: "Saturn emits radio waves with really long wavelengths, many kilometres. Lamy et al. examine conditions within the plasma that emits these radio waves, which is time variable and
![Listen to Cassini: Saturn Radio Emissions #2 by NASA in Spooky Sounds from Across the Solar System playlist online for free on SoundCloud Listen to Cassini: Saturn Radio Emissions #2 by NASA in Spooky Sounds from Across the Solar System playlist online for free on SoundCloud](https://i1.sndcdn.com/artworks-000248987442-rezmu6-t500x500.jpg)