Ariel’s internal heat could cause ... Nordheim indicated that the resonance results in the surface formed an ocean within another moon of Uranus, Miranda, which might still exist today.

Among Ariel's youngest known surface features ... offering an unprecedented look into the moon's past and possibly even its present. More information: Chloe B. Beddingfield et al, Ariel's Medial ...

Ariel, Uranus’s fourth largest moon, is thought to be made of equal ... used to detect liquid water oceans beneath Ariel’s icy surface.