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Astronomy

The Subsurface Ocean of Enceladus and Its Hydrothermal Vents

Quick fact

Enceladus is only about 500 km in diameter, yet its subsurface ocean contains more liquid water than all of Earth's oceans combined.

Why this is interesting

Imagine a world where a hidden ocean erupts into space through icy geysers—a tiny moon of Saturn holds this secret. Could it be the best place to find alien life in our solar system?