所以，存在一种可能，不受约束的漫游星有炙热的内核，寒冷的表层，和一个特别的中间层，在那水是液态的。

So it's not entirely impossible that free-floating planets have hot cores, cold surfaces, and an intermediate layer, where water could exist in some fluid form.

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当天文学家谈及“可居住区”时，他们指的是恒星以外温度适于液态水存在的空间层。

When astronomers talk about the "habitable zone," they mean the shell around a star where the temperatures are right for liquid water.

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博物馆力图通过多角度的理论观点，空间层次，雾气与水的扩展等几个主题，来探索中国古代绘画深层次变化的空间奥秘。

The museum explores the shifting viewpoints, layers of space, and expanses of mist and water, which characterize the deep alternating spatial mysteries of early Chinese painting.

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