Glossary · Physics & astrophysics
Subsurface ocean
A liquid water ocean hidden beneath the icy crust of a moon, kept liquid by tidal friction. Europa (Jupiter moon) and Encelade (Saturn moon) have them, making them major targets in the search for life.
Definition
A liquid water ocean hidden beneath the icy crust of a moon, kept liquid by tidal friction. Europa (Jupiter moon) and Encelade (Saturn moon) have them, making them major targets in the search for life.