Apparently there are two active rovers on Mars right now [1], both of which have an average speed of about 0.02mph [2,3]. I haven't checked out the geography of

Apparently there are two active rovers on Mars right now [1], both of which have an average speed of about 0.02mph [2,3]. I haven't checked out the geography of the situation but it's not looking promising. 1. http://en.wikipedia.org/wiki/Rover_%28space_exploration%29#Active_rover_missions http://en.wikipedia.org/wiki/Rover_%28space_exploration%29#A... 2. http://en.wikipedia.org/wiki/Opportunity_rover#Design_and_construction http://en.wikipedia.org/wiki/Opportunity_rover#Design_and_co... 3. http://en.wikipedia.org/wiki/Curiosity_rover#Specifications http://en.wikipedia.org/wiki/Curiosity_rover#Specifications