New auroras detected on Jupiter’s four largest moons
[ad_1] Astronomers have discovered new auroras over Jupiter’s four largest moons: Io, Europa, Ganymede, and Callisto, observable at visible wavelengths. The new auroras reveal in greater detail the composition of the thin atmospheres of these Jovian moons, including traces of oxygen and sodium, but only minimal water vapor. The team made the discovery while observing …
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