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NASA to build small helicopter to scout for future route for Mars rovers

Jan 23, 2015    

Washington:NASA is working on a small helicopter that could fly ahead of future Mars rovers, checking out various possible points of interest and helping engineers back on Earth plan the best driving route.Each NASA rover has delivered a wealth of information about the history and composition of the Red Planet, but a rover's vision is limited by the view of onboard cameras.The images from spacecraft orbiting Mars are the only other clues to where to drive it.To have a better sense of where to go and what is worth studying on Mars, it could be useful to have a low-flying scout, NASA said.The Ma...

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