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Space

Fissures on ocean moons may be too rare to provide conditions for life

Fractures on the seafloors of Europa and Enceladus are thought to provide energy and nutrients crucial for any life that might exist there, but they may not experience enough stress to crack

By Leah Crane

22 March 2023

Europa, one of Jupiter's moons and Enceladus, one of Saturn's

Europa, one of Jupiter’s moons and Enceladus, one of Saturn’s

NASA

The seafloors of Europa and Enceladus may not be prone to fracturing. Such fissures are thought to be important for the prospect of life beneath these moons’ icy shells, so if there isn’t enough stress to cause them, there might also be a shortage of the energy and chemicals that any potential living organisms would need.

We can’t observe the cores of these frigid worlds directly, so we know very little about them. If they fracture often, the fresh …

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