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Moon: September 2020



The Chang'e-4 lunar lander touched down on the far side of the Moon on 3 January 2019, with a German instrument for measuring space radiation on board.


"There's a huge difference between the modern elemental makeup of the Earth and Moon and we wanted to know why," said NASA planetary scientist Justin Simon. "Now, we know that the Moon was very different from the start, and it's probably because of the 'Giant Impact' theory."


Mars has long been known for its rust. Iron on its surface, combined with water and oxygen from the ancient past, give the Red Planet its hue. But scientists were recently surprised to find evidence that our airless Moon has rust on it as well.


A team led by the University of Colorado Boulder is pioneering a new solution to the problem of spring cleaning on the moon: Why not zap away the grime using a beam of electrons?