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Attributed claims
Galileo observations support a salty subsurface ocean.
ESTABLISHED · Ocean evidence.
Europa is inhabited.
UNKNOWN · No organism detection is established by the cited ocean evidence.
Connected encyclopedia entries
CELESTIAL BODY · Life beyond Earth
Europa
Jupiter’s icy moon is a major target in the search for environments that could support life. Evidence for an ocean does not establish that it is inhabited.
SCIENTIFIC CONCEPT · Life beyond Earth
The habitable zone
A useful astronomical starting point: orbital distances at which surface liquid water might be possible under suitable conditions.