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Planetary science

Tectonic overturn on Enceladus

The south pole of Saturn's icy moon Enceladus is anomalously warm, geologically youthful and cryovolcanically active. Episodic convective overturn explains how the moon's modest sources of internal heat can be channelled into intense geological activity.

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Figure 1: Global distribution and variety of terrains on Enceladus, obtained with the Cassini oribter's Imaging Science Subsystem (ISS).


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Helfenstein, P. Tectonic overturn on Enceladus. Nature Geosci 3, 75–76 (2010).

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