Missions to Mars have been a priority for NASA and other national space agencies, as well as a stated focus of private space exploration companies in recent years. NASA’s efforts have included using several robotic rovers, including Spirit, Opportunity, and Curiosity. These intricate remote-operated machines send back high-resolution photographs and video along with valuable scientific data that help NASA scientists learn more about the red planet in preparation for future visits to one of Earth’s nearest neighbors in our solar system.
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