NASA has published audio recorded in June during a close flyby of Jupiter’s largest moon, Ganymede. Scientists used a Waves instrument, which was specially designed to understand fields and particles in Jupiter’s magnetosphere.
In a briefing in New Orleans last week, Scott Bolton, the Principal Investigator of NASA’s Juno mission, released a 50-second audio track of electric and magnetic radio waves produced in Jupiter’s magnetosphere.
Captured during NASA’s 34th trip around Jupiter, the spacecraft was within 645 miles (1,038 kilometers) of the moon’s surface and traveling at a velocity of 41,600 miles per hour (67,000 kilometers per hour).
Once recorded by the Waves instrument, scientists had to shift the frequency of the waves into the audio range.
“This soundtrack is just wild enough to make you feel as if you were riding along as Juno sails past Ganymede for the first time in more than two decades,” Bolton said. “If you listen closely, you can hear the abrupt change to higher frequencies around the midpoint of the recording, which represents entry into a different region in Ganymede’s magnetosphere.”
Listen to the sounds of Ganymede in the clip above.
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