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Geology
 

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      the study of a planet's layers of soil and rock
 



Sentences:
NASA's rovers are helping us learn more about the geology of Mars.

My brother wants to study the geology of the Grand Canyon when he is older.





Related Links:
Geology Training

 

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Artist's concept of a human exploring the surface of Mars
One day, astronauts will travel to Mars and collect rock samples to learn more about the planet's history.
Image Credit: 
NASA
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Page Last Updated: July 17th, 2014
Page Editor: NASA Education