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Photo provided by the China National Space Administration (CNSA) on Jan. 3, 2019 shows the first image of the moon's far side taken by China's Chang'e-4 probe. (Xinhua/CNSA)
Photo provided by the China National Space Administration (CNSA) on Jan. 3, 2019 shows the first image of the moon's far side taken by China's Chang'e-4 probe. (Xinhua/CNSA)