Another possible extraterrestrial ocean ...
www.theguardian.com/…
Calculations suggest a 45-mile-deep internal body of water lurks beneath Mimas’s 15-mile-thick icy shell
By analysing thousands of images from Nasa’s Cassini mission to Saturn, Lainey and his colleagues reconstructed the precise spin and orbital motion of Mimas as it looped around the gas giant. Their calculations showed Mimas must possess a hidden subsurface ocean to move the way it does.
Another possible abode for ET life … ?