It certainly won't be troubling any earth-based runners' personal bests, but NASA's long-serving Mars rover Opportunity set a significant benchmark Tuesday as it clocked in 26.219 miles (42 kilometers) -- the first-ever Martian marathon.
Source CNN.com - U.S. http://ift.tt/1LXOSyc
Source CNN.com - U.S. http://ift.tt/1LXOSyc
0 comments:
Post a Comment