NASA’s Opportunity rover, which landed on Mars in January 2004, was originally designed for a mission lasting just 90 Martian days (sols). Far exceeding expectations, Opportunity explored the Red Planet for nearly 15 years, traveling about 28 miles (45 kilometers) across the Martian surface. During its mission, it studied rocks, craters, and soil, providing strong evidence that liquid water once existed on Mars, and returned hundreds of thousands of images that reshaped our understanding of the