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Hear the Roar: Listen to "Spooky" Sound While Juno Entered Jupiter's Magnetic Field

Jul 04, 2016 11:03 PM EDT

Juno is making a momentous orbit entry on Jupiter, but that is not the only interesting part of the mission. Before its arrival, Juno passed the border into Jupiter's magnetic field and the spacecraft's collision with the invisible force produced a "spooky" roar or sound not typically heard anywhere near or on Earth.

Since the solar-powered spacecraft is almost at its destination, it also started recording data of the planet's solar wind and other observations. Equipment aboard Juno beamed back data to Earth including audio streams that captured Juno's crossing into Jupiter's magnetic field.

Juno recently passed Jupiter's "bow shock", similar to Earth's sonic boom according to NASA. This is where the solar wind influenced the planet's magnetosphere and this is also where an eerie and spooky sounds were recorded upon Juno's crossing.

"We've just crossed the boundary into Jupiter's home turf," Juno principal investigator Scott Bolton said in a statement published by CNET. "We're closing in fast on the planet itself and already gaining valuable data," Bolton added.

NASA explained that natural turbulence causes the sounds.

"The solar wind blows past all the planets at a speed of about a million miles per hour, and where it hits an obstacle, there's all this turbulence," William Kurth, lead co-investigator for the Waves investigation said in a press release. Scientists explain that the massive size of Jupiter's magnetosphere causes weird and spooky sounds to emanate. Kurth added that in broad daylight, Jupiter's magnetosphere could be twice the size of the full moon as seen on Earth.

In addition to that, Juno's magnetic field is also 20,000 times stronger than that of the Earth. This makes the environment surrounding Jupiter harsh and unforgiving on top of the "hellish" radiation level on the planet.

This boundary structure, the source of spooky sounds, will be a center of another investigation by itself, independent from other Jupiter probes that will occur in the future with the help of Juno data that will be sent to Earth.

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