当我们向外太空移动时，从这些遥远的星系发出的光都是如此的长，我们实质上正在飞离而回到过去。
As we move out, the light from these distant galaxies have taken so long, we're essentially backing up into the past.
尽管我们已经从空间飞行中了解了一些，月球仍然是来自遥远过去的一个谜，而且仍将会在未来很长一段时间如此。
In spite of all we have learned from space flights, the moon is still a riddle from the distant past-and will be for a long time to come.
尽管我们已经从空间飞行中了解了一些，月球仍然是来自遥远过去的一个谜，而且仍将会在未来很长一段时间如此。
In spite of all we have learned from space flights, the moon is still a riddle from the distant past-and will be for a long time to ome.
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