NASAのインスタグラム(nasa) - 10月16日 09時23分

Our Cassini spacecraft zoomed by Saturn's icy moon Enceladus on Wednesday, Oct. 14, capturing this stunning image of the moon's north pole. Scientists expected the north polar region of Enceladus to be heavily cratered, based on low-resolution images from the Voyager mission, but high-resolution Cassini images show a landscape of stark contrasts. Thin cracks cross over the pole -- the northernmost extent of a global system of such fractures. Before this Cassini flyby, scientists did not know if the fractures extended so far north on Enceladus.

Image Credit: NASA/JPL-Caltech/Space Science Institute

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