[image-50] Mars Exploration Rover Mission Status Report. Opportunity and its twin rover, Spirit, were developed as part of NASA's Mars exploration program. Here’s what it saw during its 14 years on Mars. It was sent together with its twin, the Opportunity Rover … Launched on July 7, 2003, as part of NASA's Mars Exploration Rover program, it landed in Meridiani Planum on January 25, 2004, three weeks after its twin Spirit (MER-A) touched down on the other side of the planet. Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, and nicknamed "Oppy", is a robotic rover that was active on Mars from 2004 until the middle of 2018. It's time to say goodbye to Opportunity. NASA’s Opportunity rover is dead. Persistent computer resets and "amnesia" events on NASA's Mars Exploration rover Opportunity that have occurred after reformatting the robot's flash memory have prompted a shift to a working mode that avoids use of the flash data-storage system. Mission summary and design. Since landing on Mars in 2004, Opportunity has made a number of discoveries about the Red Planet including dramatic evidence that long ago at least one area of Mars stayed wet for an extended period and that conditions could have been suitable for sustaining microbial life. The rover is still actively exploring the Martian terrain, having far outlasted her planned 90-day mission. … Status: Success – Was active for six years until 2010; NASA’s Spirit rover (official name Mars Exploration Rover – A or MER-A) was the fifth Mars Rover. NASA's Mars Opportunity rover isn't doing much of anything right now, and that's how it's been for a number of months now. The Mars rover's team made its last attempt to contact Opportunity on Tuesday night, and it went unanswered. RIP Opportunity, the little rover that could. Opportunity was NASA's longest-running rover mission.