科学观宇宙
穆樂霄云
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【258】NGC 7635，距离我们7100光年_1
2 minutes
Posted Jan 11, 2022 at 10:12 am.
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【257】宇宙正在膨胀，每326万光年远离67千米，为何月球没有离开我们？3
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【258】NGC 7635，距离我们7100光年_2
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