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Last week, India landed its spacecraft Chandrayaan-3 on the moon, becoming the first country to land such a craft near the south pole, where scientists believe vital reserves of water could be found frozen. The landing also revealed just how much the international space race has changed.\nKenneth Chang, a science reporter for The Times, explains why a new set of players are dominating the space race and what is motivating their groundbreaking missions to the moon.