As the electrons recombine to remake neutral molecules, auroral light is emitted. In the above recently released photograph by the Hubble Space Telescope taken in ultraviolet light , the aurorae appear as annular sheets around the pole. Unlike Earth's aurorae , Jupiter's aurorae include several bright streaks and dots . These marks are caused by magnetic flux tubes connecting Jupiter to its largest moons . Specifically, Io caused the bright streak on the far left, Ganymede caused the bright dot below center, and Europa caused the dot to its right.
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