Today on CNN10: We're covering all things space! We'll take a look at the most recent spacewalk conducted at the International Space Station, before learning about what's fueling the United State's race against China to return to the moon for the first time since the Apollo missions. Plus, we'll learn about an exploding meteorite that caused a massive sonic boom heard across parts of the U.S. this week.  All this and more on today's CNN10!

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