This document discusses NASA's Mars Exploration Rover Mission (MER), which involves the rovers Spirit and Opportunity exploring Mars. The mission started in 2003 with the launch of these two rovers to study the planet's surface and geology. A video animation of their flight to Mars is also mentioned.

1. How to Get to Mars. Very Cool!
Very cool videoanimation of Spirit / Opportunitys flight to mars!
NASA’s Mars Exploration Rover Mission (MER) is an ongoing robotic space mission involving two
rovers, Spirit and Opportunity, exploring the planet Mars. It began in 2003 with the sending of the two
rovers—MER-A Spirit and MER-B Opportunity—to explore the Martian surface and geology.
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