Science
Jupiter’s Moons Are Hotter Than They Should Be. They Could Be Heating Each Other – ScienceAlert
Jupiter’s moons are hotter than they really should be, some 778 million kilometres (483 million miles) away from the Sun.
Jupiter’s moons are hotter than they really should be, some 778 million kilometres (483 million miles) away from the Sun.
It had been thought that most of this extra warmth was provided by Jupiter itself, but now there’s a new hypothesis: they’re heating each other.
Jupiter isn’t acting as a roaring campfire for its surrounding satellites, but because of its huge mass, what it is doing is pushing and pulling its moons and that generates heat. It’s an effect known as tidal heating.
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