This close up of Dione reveals its cratered and fractured icy surface.

这张土卫四（Dione）的近距离特写照片展示了其坑坑洼洼支离破碎的冰冷表面。

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To human eyes, the icy surface of Saturn's moon Rhea would appear fairly monotone.

对人眼来说，土卫五的结冰的表面应该看上去非常单调。

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Clues could come from dark, non-ice deposits that have been detected on Europa's icy surface.

从欧罗·巴多冰的表面上侦测到的深色非冰沉积物中可以找到答案的线索。

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Callisto, too, may have an ocean beneath its icy surface, though this is less certain.

ECONOMIST: Galileo and Jupiter

Even then, the sled has precious little lateral stability, and when it gets crossed up even slightly on a groomed, icy surface, it catches an edge and flips over.

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The researchers were able to draw parallels between our planet and Saturn's hazy moon, suggesting that similar geological processes may have altered Titan's icy surface in the recent past.

MSN: Saturn's moon Titan may have seen Earth-like erosion