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Y marks the spot on Enceladus

A sinuous feature snakes northward from Enceladus' south pole like a giant tentacle. This feature, which stretches from the terminator near center, toward the upper left, is actually tectonic in nature, created by stresses in Enceladus' icy shell. Geologists call features like these, "Y-shaped discontinuities." They are thought to arise when surface material attempts to push northward, compressing or displacing existing ice along the way. This view looks towards the trailing hemisphere of Enceladus. North is up. The image was taken in visible green light with the Cassini spacecraft narrow-angle camera on February 15, 2016. NASA/UPI

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