Orbital changes suggest recent formation of underground ocean on Saturn's Mimas
Recent studies suggest that Mimas, one of Saturn's moons, has developed a substantial underground ocean due to a decrease in its orbital eccentricity, leading to the melting and thinning of its icy exterior. "Previously, we established that Mimas could currently host an ocean world only if it previously had a thicker icy shell. However, the process transitioning from thick to thinner ice w