But a new look at Titan's insides reveals even more oddities: Beneath the brittle crust of ice lies a layer of slush. Deeper still is an underground ocean over a solid core of rock and ice.

但最近对泰坦内部的一项新研究却揭开了这颗奇异星球更为怪诞的一面：脆弱的甲烷冰地表之下，覆盖着一层冰泥，更深处依然是一个地下海洋，最中间是冰和岩石并存的固态核心。

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He takes temperature readings from the ice core to determine ocean/atmosphere heatflux (the passage from the cold ocean to the warm atmosphere).

他从冰芯上读取温度，确定海洋/大气的热负荷（从冰冷海洋到温暖大气的片段）。

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The theory is simple at its core: Liquefy the gaseous CO2, and introduce it to the ocean floor.

这个理论的核心非常简单：将CO2气体液化，在将它注入到海底。

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So, its of no surprise, when looking at long term ice core sample and ocean core deposits, they indicate as the Earth warms, so does the carbon footprint from the increase carbon produced high in the atmosphere.

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Song, Richards and colleagues studied waves generated by small earthquakes in the southern Atlantic Ocean that passed through the core to a seismograph in Alaska where they were measured.

BBC: NEWS | Science/Nature | Earth's core runs ahead of crust