Gale Crater on Mars
![mars-curiosity-rover-gale-crater-beauty-shot-pia19839-full[1]](http://www.amarketplaceofideas.com/wp-content/uploads/2015/10/mars-curiosity-rover-gale-crater-beauty-shot-pia19839-full1.jpg)
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Arrojos on Mars
Anyone who has done much desert hiking in Arizona will appreciate this photo of the surface of Mars.
Anyone who has done much desert hiking in Arizona will appreciate this photo of the surface of Mars.