antikythera-astronomy:Something strange is happening inside Mimas.The way the moon orbits around Sat
antikythera-astronomy:Something strange is happening inside Mimas.The way the moon orbits around Saturn causes it to wobble, something called “libration”.The problem? It’s not wobbling the right amount to make its orbit accountable. The moon wobbles twice as much as we expected, which means two things:Mimas has a football-shaped coreMimas has a subterranean liquid oceanThis is exciting. The number of places with liquid oceans (probable) has reached five. The number of places in the solar system we must search for alien life is growing rapidly. We may have just added another place to that list. -- source link
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