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If an asteroid were to hit the Earth it could be disastrous. Here are some ways we could protect ourselves.
Find out how asteroids, space debris, and cosmic radiation can be dangerous, and how to monitor them and protect ourselves from these space hazards.
Earth is covered in rocks. So are Mercury, Venus, Mars and the Moon. Does that mean the rocky planets are all the same?
Learn about how craters are formed and about some of Canada's impact craters.
This backgrounder explains the difference between planets, dwarf planets and small solar system bodies, such as asteroids and comets.
Learn why we have seasons in this hands on activity.