On what specific date did Opportunity achieve the milestone of traveling the distance of a marathon on another celestial body?

Answer

March 25, 2015

On this date, the rover became the first human-made vehicle to travel 42.195 km (26.219 miles) on a celestial body other than Earth.

On what specific date did Opportunity achieve the milestone of traveling the distance of a marathon on another celestial body?

#Videos

Left for Dead on Mars: What Happened to NASA's Opportunity Rover?

MarsNASARoverspace explorationOpportunity