Why is NASA's latest Mars Rover biggest and best yet? (+video)
NASA's Mars Curiosity Rover, expected to land on the Red planet in three weeks, is NASA's most advanced robotic mission yet.
When NASA's newest rover, Curiosity, reaches Mars in about three weeks, it will not be the first to set its wheels on the Red Planet, but it will be the largest and most advanced robotic explorer that has ever been sent to our planetary neighbor.
The Curiosity rover, also called the Mars Science Laboratory, was launched in late November 2011, and is expected to land on Mars on the night of Aug. 5 PDT (early Aug. 6 EDT). The $2.5 billion rover will touch down at Gale Crater, and is designed to search for clues that Mars could be now, or in the ancient past, a habitable planet for microbial life.
NASA first set its sights on landing on the Red Planet in the 1970s. The agency achieved its first Mars landing in 1976 with the Viking 1 lander. Since then, the agency has had six spacecraft successfully touch down on the Martian surface. But with the impending arrival of Curiosity, NASA will showcase the most sophisticated Martian rover yet.
"The Curiosity landing is the hardest NASA robotic mission ever attempted in the history of exploration of Mars, or any of our robot exploration," John Grunsfeld, associate administrator for NASA's Science Mission Directorate, said in a news briefing Monday (July 16) at the agency's headquarters in Washington, D.C.
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