“We just need to go back” – Uranus’ moon Ariel may have hidden a 100-mile-deep ocean
“We just need to go back” – Uranus’ moon Ariel may have hidden a 100-mile-deep ocean
Ariel, one of Uranus’ moons, may once have contained a subsurface ocean more than 100 miles deep beneath its fractured icy shell. The finding, combined with similar evidence from Miranda, suggests the distant Uranian system could harbor multiple hidden ocean worlds.