October 16, 2021

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NASA’s Juno spacecraft detects strange new auroras on Jupiter

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Data from NASA’s Juno spacecraft revealed faint aurora features likely triggered by charged particles coming from the edge of Jupiter’s massive magnetosphere.  (Image credit: NASA/SWRI/JPL-Caltech/SwRI/V. Hue/G. R. Gladstone/B. Bonfond)

NASA’s Juno mission has detected new auroral emissions on Jupiter which appear to ripple over the planet’s poles. 

The Ultraviolet Spectrograph (UVS) on the Juno spacecraft captured this glowing phenomenon, which is characterized by faint ring-shaped emissions that expand rapidly over time at speeds between 2 and 4.8 miles per second (3.3 and 7.7 kilometers per second). Researchers from the Southwest Research Institute (SwRI), where Juno’s UVS instrument was built, suggest these auroral emissions are triggered by charged particles coming from the edge of Jupiter’s massive magnetosphere, according to a statement from the institute. 



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