The change is subtle and happens over many nights.
Space.com on MSN
Jupiter's moons leave cold 'footprints' in the planet's auroras, James Webb Space Telescope finds
Never-before-seen temperature and ion density measurements reveal that the effect of Jupiter's moons on its aurora are more complicated than scientists thought.
A waxing gibbous moon and brilliant Jupiter will pair up after sunset on Feb. 26.
Space.com on MSN
Auroras on Jupiter's giant moon Ganymede look like Earth's northern lights, NASA spacecraft reveals
Ganymede's auroras splinter into small, bright patches — structures that mirror features seen in Earth's own auroral displays ...
Starlust on MSN
James Webb Space Telescope reveals strange features of auroral footprints of Jupiter's moon Io
While Jupiter's main aurora has a great deal of hot materials, a snapshot showed a cold spot in Io's auroral footprint.
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