06 August 2012 18:33 | By Sean Carson
$2.5 billion Mars Curiosity rover

What is the Mars Curiosity rover?

What is the Mars Curiosity rover? (© NASA)
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This is the Curiosity rover and it's a science lab on wheels. The exploration vehicle has touched down on the surface of Mars as part of NASA's mission to ascertain whether the currently inhospitable Red Planet ever had an atmosphere to sustain life. As you can imagine, it's pretty sophisticated.


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