The glowing auroras on Jupiter's largest moon mirror those on Earth
Jupiter's moon Ganymede is the only moon in our solar system known to possess its own magnetic field, creating spectacular auroras that behave remarkably like those found on Earth.
Ganymede creates shimmering ribbons of light around its poles just like our own planet. Because this massive moon has a liquid iron core, it generates a magnetic field that interacts with Jupiter's intense radiation. This process causes glowing gases to circle the moon in a celestial dance observable by the Hubble Space Telescope.
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