Saturn’s moon Mimas may be hiding a vast global ocean under its ice

Close measurements of Mimas’s orbit suggest there could be an ocean 30 kilometres deep beneath the small moon’s icy exterior

​Close measurements of Mimas’s orbit suggest there could be an ocean 30 kilometres deep beneath the small moon’s icy exterior Close measurements of Mimas’s orbit suggest there could be an ocean 30 kilometres deep beneath the small moon’s icy exterior