This is an artist's depiction of an asteroid colliding with Earth.
Click on image for full size
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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