Dark patches of ancient terrain are broken up by swaths of brighter, younger material, and the entire icy surface is peppered by more recent impact craters that have splashed fresh, bright ice across the surface.

 
  • 黑色古老地形的碎片被更明亮、更新物质分割开,整个冰封的表面不断的被更新的陨石砸出的新鲜、明亮的冰更新着。
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