You know,when they got to space they saw the "earth" getting away from them.so are you saying they 2 Earth's of different eras at the same time but they just think that 1 of them is the moon?
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Not only that but they know the white planet they see on space is the same they see from "Earth".And of course was just an holographic video which appears on the "roof" of the holographic dome.Obviously they will say that the white one is the moon.
