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#932904 07/31/20 05:24 PM
Joined: May 2010
Posts: 9,898
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Iron Age Human
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BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,898
Likes: 13

Mars has no little green men, but it's a fascinating place. It has a mountain three times the height of Everest and a deep valley that dwarfs the Grand Canyon. Although Mars has no liquid water on the surface, if the southern polar icecap melted, it could cover the planet 36 feet deep in water.

Mars - Facts for Kids


Mona Evans
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Joined: May 2010
Posts: 9,898
Likes: 13
BellaOnline Editor
Iron Age Human
OP Online Content
BellaOnline Editor
Iron Age Human
Joined: May 2010
Posts: 9,898
Likes: 13

Valles Marineris is the biggest known canyon system in the Solar System. Here is a picture of Valles Marineris with the outline of the USA drawn on it. The USA's Grand Canyon in tiny in comparison.


Mona Evans
For news, activities, pictures and more, sign up to the Astronomy Newsletter!

http://www.bellaonline.com/newsletter/astronomy

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