Spirit, also known as MER-A (Mars Exploration Rover – A) or MER-2, is a Mars robotic rover, active from 2004 to 2010. [4] Spirit was operational on Mars for 2208 sols or 3.3 Martian years (2269 days; 6 years, 77 days). It was one of two rovers of NASA's Mars Exploration Rover Mission managed by the Jet Propulsion Laboratory (JPL).

Dec 19, 2024 · NASA's Spirit rover—and its twin, Opportunity—studied the history of climate and water at sites on Mars where conditions may once have been favorable to life. Spirit uncovered strong evidence that Mars was once much wetter than it is now.

Jun 10, 2003 · One of two rovers launched in 2003 to explore Mars and search for signs of past life, Spirit far outlasted her planned 90-day mission, lasting over six years. Among her myriad discoveries, Spirit found evidence that Mars was once much wetter than it is today and helped scientists better understand the Martian wind.

Nov 2, 2024 · This infographic highlights NASA’s twin robot geologists, the Mars Exploration Rovers (MER) Spirit and Opportunity. The rovers landed on the Red Planet in 2004, in search of answers about the history of water on Mars.

Jan 17, 2024 · In January 2004, twin NASA rovers named Spirit and Opportunity touched down on opposite sides of Mars, kicking off a new era of interplanetary robotic exploration. They arrived in dramatic fashion three weeks apart, each nestled in a cluster of airbags that bounced along the surface around 30 times before coming to a stop and deflating.

Mar 25, 2025 · Each rover is about the size of a golf cart and seven times heavier (about 405 pounds or 185 kilograms) than the Sojourner rover launched on the Mars Pathfinder to Mars mission in 1996. Spirit and Opportunity were sent to opposite sides of Mars to locations that were suspected of having been affected by liquid water in the past. Spirit was ...

Nov 19, 2024 · Spirit was one of two Mars rovers launched by NASA in 2003 as part of the $800 million Mars Exploration Rover (MER) mission. The rover arrived on Mars in January 2004 to investigate...

Spirit and Opportunity are identical twin robotic rov-ers that have gone far beyond their original scientific objectives to rewrite our understanding of the early his-tory of Mars.

May 1, 2015 · The "Spirit" rover (Mars Exploration Rover A or MER-2) is one of two rovers launched to Mars in mid-2003. The rovers arrived at Mars in January of 2004 equipped with a battery of scientific instruments and will be able to traverse 100 meters a day.

Mar 22, 2010 · Mars Exploration Rover, either of a pair of U.S. robotic vehicles that explored the surface of Mars from January 2004 to June 2018.