They were sent in search of answers about the history of water on the planet. The Mars Exploration Rover mission is part of NASA's Mars Exploration Program, a long-term effort of robotic exploration of the red planet.
The Museum of Science and Industry – Chicago (MSI) have put together this amazing film. It interpolates animation in to footage of the landing of one of the probes on Mars to give you a real time feeling for the event as it happened.
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