Jupiter puts on rare and stunning light show
Earth isnât the only planet to have shimmering auroras â and NASAâs Hubble Space Telescope has captured Jupiterâs in action.
The space agency has released a composite video showing a dancing blue glow near the gas giantâs north pole.
Watch the telescope footage:
The images show the same phenomenon that occurs on Earth â the light waves produced by the interaction of the planetâs magnetic fields with its atmosphere.
The Jupiter auroras, though, reach intensities over 1000 times brighter than those above Earth.
On Earth, auroras are produced by powerful plasma storms of highly charged particles from the Sun that slam into the Earth at 6.4 million kilometres per hour, causing the planetâs magnetic field to vibrate like jelly.
But on Jupiter, they are generated by particles spewed into the planetâs magnetosphere by eruptions from its volcanic moon Io.
And on Saturn, which is also home to the phenomenon, the glow is created by particles from geysers shooting out of the ice moon Escalades entering the planetâs magnetosphere.
The video of Jupiterâs auroras was captured on May 19, but image of Jupiter itself in the video was taken at a different time by Hubbleâs Outer Planet Atmosphere Legacy program, a long-term project that captures global maps of the outer planets each year.
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