Theorizing a titanic collision eliminates postulating a too-rapidly spinning Earth and accounts for the Moon's peculiar composition.
将泰坦尼克的碰撞理论化，消除了地球旋转过快的假设，并解释了月球特殊的组成。
Such a titanic collision between Earth and a Mars-size impactor may have given rise to Earth's Moon.
地球和火星大小的撞击物发生如此巨大的碰撞，可能导致了月球的形成。
Even if you watched this on TV, each of the 12 episodes are a must to fully understand the Titanic scope, knowledge, and courage that took humans into their trip from the Earth to the Moon.
即使你看了电视上看到它的12集每个是必须充分认识钛的范围，知识和勇气，把人类从地球到月球之行。
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