Quoted from Science Alert, Monday (20/12/2021), on June 7, 2021, Juno made a flight near Ganymede and recorded the electromagnetic waves of the moon. When these emission frequencies are shifted into the audio range, the result is a series of terrifying alien screams and howls.
“The sound is quite wild and makes you feel as if you’re driving along as Juno sails past Ganymede for the first time in more than two decades,” said physicist Scott Bolton of the Southwest Research Institute, Juno’s principal investigator.
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Bolton said, if you look closely you will hear a sudden change to a higher frequency around the center of the recording. It shows when Juno entered into a different region of the magnetosphere Ganymede .
Converting data to audio frequencies is a different way to access and collect data, which in turn can help understand fine details that might have been overlooked. “We have recorded the “voice” of the Solar System with various probes, including the Voyager spacecraft, as well as planetary missions,” he said.
When observing Ganymede, Juno flew as low as 1,038 kilometers from the lunar surface at a relative speed of 67,000 kilometers per hour. “It is possible that the change in frequency shortly after closest approach was caused by a shift from the night side to the daytime side of Ganymede,” said physicist and astronomer William Kurth of the University of Iowa.
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Scientists also study data Juno to understand turbulence in the Jovian atmosphere. The similarity of this turbulence to the turbulence of phytoplankton in Earth’s oceans made oceanographer Lia Siegelman of the Scripps Institution of Oceanography try to connect the dots. He knew that, on Jupiter, eddies formed spontaneously and would persist in the long run.
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