The same forces are at work on the planet's giant continental ice sheets on Greenland and Antarctica, which together hold enough ice to raise sea levels by 60 metres.
地球上格陵兰和南极巨大的陆地冰盖上,同样的力量在起着作用。这两处冰盖控制的冰足以提高海平面60米。
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The South Pole's Aitken Basin, an eight-mile deep gouge in the lunar crust, ranks as the largest impact crater in the solar system, and could hold water in the form of ice.