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10/06/2003 The Spirit rover is launched

Spirit, also known as MER-A or MER-2, is a robotic rover on Mars, active from 2004 to 2010. It was one of two rovers of NASA's ongoing Mars Exploration Rover Mission. The rover completed its planned 90-sol mission.


  • Essentials 

  • Objectives 

  • Design and construction 

  • Mission overview 

  • Mission timeline 

  • Discoveries about Martian rocks and minerals 

  • Astronomy 

  • Equipment wear and failures 

  • Honors 

  • Gallery