Recent analyses of Galileo data has uncovered evidence of a magma ocean beneath Io's surface.

最近对伽利略的数据进行分析之后，揭示了一些木卫一表面存在岩浆海的证据。

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The best explanation, Sharp says, is that there was hardly any hydrogen in the moon's magma ocean.

夏普认为最好的解释就是：月球的岩浆海洋中几乎不存在氢元素。

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Perhaps the moon never even had a magma ocean and the rocks were formed another way, they suggested.

他们提出，也许月球甚至从未存在过岩浆海洋或以另一种方式形成的岩石。

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In the end, the only explanation that fit the data was that Mercury at one time had an ocean of magma on its surface.

FORBES: Mercury May Have Once Had An Ocean Of Lava

Researchers at MIT have recently published an experiment that demonstrates that 4 billion years ago, the planet Mercury may have had an ocean of magma on its surface.

FORBES: Mercury May Have Once Had An Ocean Of Lava