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Why do I believe in certain planets too far away to be observed directly through a telescope?
我为什么会相信在望远镜正常观测范围外的,遥远之处存在行星
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Why do I believe in certain planets too far away to be observed directly through a telescope?
我为什么会相信在望远镜正常观测范围外的,遥远之处存在行星
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