Graphic: Nasa/JPL
Graphic: Nasa/JPL

Nasa's Opportunity rover has just completed the first marathon on Mars, albeit in the relatively snail-like time of 11 years and two months.

Nevertheless, the feat of clocking 26.2 miles is seen as something of a landmark for the Martian explorer which has already travelled further than any other rover.

This is the first time any human enterprise has exceeded the distance of a marathon on the surface of another world. A first time happens only once.

  • John Callas, Opportunity project manager at NASA's Jet Propulsion Laboratory (JPL)
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