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23:00, 04-Sep-2019
How did China make its national flag shine on the moon?
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The Chang'e-4 probe made the first-ever soft-landing on the far side of the moon on January 11, 2019. How did China make the Five-starred Red Flag on the probe shine on the moon? Sun Zezhou, the chief designer of the Chang'e-4 probe from the China Academy of Space Technology (CAST) told the story behind it.