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Rovers reviewed

Comparing the sizes of the different rovers.  On the left is Spirit/Opportunity, in the middle Sojourner, and on the right Curiosity.

Reshared post from +Karyn Traphagen

Wonder how the Mars rovers compare in size? This picture will help! 

This photo also clearly shows the tire tread in Curiosity. See those holes? They not only help with travel on the Red Planet… they are Morse Code for "JPL" (so pretty soon the surface of Mars will have tire treads spelling out "JPL… JPL… JPL")

+NASA Jet Propulsion Laboratory +NASA +mars curiosity-rover 

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