Portrait of an Explodey Snowball

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Credit: NASA/JPL/Space Science Institute

This straightforward portrait from Cassini shows the variety of terrain on Saturn's small, icy moon Enceladus. The cratered regions are the kind of landscape you expect to see on rocky worlds far and wide, while the smooth, furrowed areas hint at the moon's dynamic geological secrets - of which the most obvious examples are the water-ice geysers on the moon's south pole (see this gorgeous image).