This is an artist's depiction of an asteroid colliding with Earth.
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Courtesy of NASA

Scientists Track Asteroids
News story originally written on June 28, 2000

Did you know that asteroids can crash into the Earth? Don't worry, it probably won't happen, but there is a chance. So scientists are watching as many asteroids as they can, just in case one heads to Earth.

Asteroids come in all different sizes. The bigger ones can cause a lot of problems if they crash here. That's why we are keeping an eye on them!

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