问答题

If a rock is large enough, the heat generated as it is thrown clear will be negligible except at its surface—where, if anything, melting may even produce an airtight skin to protect any microbes deeper down from the unpleasant vacuum of space.

【参考答案】

如果岩石足够大的话，它被抛出去时产生的热量除了岩石表面上的以外是可以忽略不计的。岩石表面的熔化甚至可以产生一层密闭的“皮......

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If there is life on such a planet, microscopic forms of it will probably live deep in side rocks, as they do on earth. The acceleration of lift-off would not kill something that size.
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