Science ❯ Geology ❯ Planetary Geology
Europa Subsurface Oceans Europa's Surface Features Europa's Surface Saturn's Moons Enceladus Geology Enceladus Europa's Ice Shell Titan Cryovolcanism Europa's Icy Shell Hydrothermal Activity Geological Activity Jupiter's Moons Europa's Internal Structure Europa's Subsurface Ocean Enceladus's Ocean Europa and Enceladus
A measured 15-hour delay in Titan’s tidal response indicates a highly viscous interior inconsistent with a free‑flowing ocean.