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NASA’s Juno spacecraft discovers strange new aurora on Jupiter



Data from NASA’s Juno spacecraft show that the faint auroral feature may be triggered by charged particles at the edge of Jupiter’s giant magnetosphere. (Photo credit: NASA / SWRI / JPL-Caltech / SwRI / V. Hue / GR Gladstone / B. Bonfond)

NASA’s Juno mission discovered new auroral emissions on Jupiter, which appeared to produce ripples on the poles of the Earth.

The ultraviolet spectrometer (UVS) on the Juno spacecraft captured this luminescence, which is characterized by a weak ring-shaped emission that rapidly expands over time at a speed of 2 to 4.8 miles per second (3.3 to 7.7 kilometers per second) . A statement from the institute said that researchers from the Southwest Research Institute (SwRI), where Juno’s UVS instrument is located, believe that these auroral emissions are triggered by charged particles from the edge of Jupiter’s giant magnetosphere.


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