
Curiosity is the largest rover ever sent to Mars, weighing about a ton in Earth gravity. It's landing was a combination of a parachute descent and being lowered onto the ground by a "skycrane." Unlike other rovers, it's descent was caught on camera from orbit. The rover is essentially a mobile lab, which will analyze soil samples for signs of Martian microbial life, some of which may be a billion years old. It's mission is planned to last for two years, though it may last longer. Spirit and Opportunity, two rovers that landed on the planet in 2004, were on a mission planned to last for only three months. Spirit lasted until March 2011, over six years. Opportunity is still moving and analyzing.
Bixyl Shuftan
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