A lucky landing site
I landed on January 24, 2004, at Meridiani Planum. Near my landing site, I found small, rounded hematite-rich spherules that scientists nicknamed “blueberries.” Hematite can form in the presence of water, making these tiny objects an early clue to Mars’ watery past.
From crater to crater
I examined rock outcrops and travelled across the plains to impact craters. At Endeavour Crater, I investigated clay minerals and other evidence associated with water-altered rocks. The mission gave scientists a record of changing environments across a long traverse.
A record-breaking journey
I was designed for about 90 sols and a much shorter drive. Instead, I operated for roughly 14 years and travelled 28.06 miles (45.16 kilometres). NASA reported that I had visited well over 100 impact craters during my mission.
Opportunity by the numbers
Source: NASA mission overview. Narrative is presented in first person as a storytelling device; the rovers were robotic spacecraft. Mars Exploration Rovers · NASA/JPL-Caltech.