Ganymede (2021 Juno photo) |
How do we know? Because NASA’s Juno expedition sent back data on Ganymede’s “electric and magnetic radio waves.” These waves were then shifted into a format that humans can hear. The result sounds like some sort of eerie howling.
Ganymede is the largest of Jupiter’s many known moons. It has a variable magnetosphere, as evidenced by the highs and lows of these audible waves.
Resources
https://www.cnet.com/news/eerie-nasa-audio-lets-you-hear-what-jupiter-moon-ganymede-sounds-like/
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