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NASA's Mars Exploration Rover (MER) mission was a robotic space mission involving two Mars rovers, Spirit and Opportunity, exploring the planet Mars. It began in 2003 with the launch of the two rovers to explore the Martian surface and geology ; both landed on Mars at separate locations in January 2004.
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 2018. [1] Opportunity was operational on Mars for 5111 sols (14 years, 138 days on Earth).
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).
Opportunity landed in Meridiani Planum at , about 25 kilometers (16 mi) downrange (east) of its intended target on January 25, 2004, at 05: Although Meridiani is a flat plain, without the rock fields seen at previous Mars landing sites, Opportunity rolled into an impact crater 22 meters in diameter, with the rim of the crater approximately 10 meters (33 ft) from the rover. [4]
The unmanned Mars exploration mission, commenced in 2003 sent two robotic rovers, Spirit and Opportunity, to explore the Martian surface and geology. The mission was led by Project Manager Peter Theisinger of NASA 's Jet Propulsion Laboratory and Principal Investigator Steven Squyres , professor of astronomy at Cornell University .
Spirit is a robotic rover that was active on the planet Mars from 2004 to 2010. Launched on June 10, 2003, Spirit landed on Mars' Meridiani Planum on January 4, 2004, three weeks before its twin Opportunity (MER-B), also part of NASA's Mars Exploration Rover Mission, touched down on the other side of the planet.
First rover launched to Mars. ... Rover Successful Landed on 4 January 2004. Operated for 2208 sols [20] ... Exploration of Mars. Mars flyby;
The Columbia Hills are a range of low hills inside Gusev crater on Mars. They were observed by the Mars Exploration Rover Spirit when it landed within the crater in 2004. They were promptly given an unofficial name by NASA since they were the most striking nearby feature on the surface. The hills lie approximately 3 kilometres (1.9 mi) away ...