According to a report by CNN, this week, a supermoon wowed skywatchers, two asteroid missions shared their initial results, and 518 million year old fossils were discovered in China. As if this wasn't enough big news for the science world, astronomers also witnessed a space cannonball and discovered how explosive meteors can be when they explode in the Earth's atmosphere. And on Friday, NASA astronauts Anne McClain and Nick Hague performed a 6 and a half hour spacewalk to work on the outside of the International Space Station.

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