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Additional Resources for you to Explore
Near Earth objects are objects in space with the potential of hitting Earth. The National Aeronautics and Space Administration (NASA) has a great resource about asteroids. The site features an overview, current missions exploring asteroids and tracking near earth objects.

The Killer Asteroids Project has a number of really cool tools to help us learn about asteroids and their impact on the Earth, including a tool to see the effects of an asteroid hitting where you live. The site also has a game comparing the risk of being killed by asteroid to other health risks.