Opportunity’s Bicentennial
More than eleven years ago, on January 25, 2004, Opportunity, NASA’s Mars Exploration Rover, landed in Meridiani Planum. An identical rover, Spirit, landed three weeks earlier, on the other side of Mars. Both vehicles were expected to remain active for 90 Martian days, more or less equal to three months on Earth. The Martian climate would claim its toll, or so the mission planners feared. Although on Mars the sun shines more than six hundred days a year, the dust storms and large daily temperature differences would surely leave their mark. Indestructible Oppy But the rovers appeared to be more… Read More