Newsweek

We Need Better Mars Photos Before We Leave Earth

A camera-equipped helicopter could overcome the limitations of the Curiosity rover.
Researches sample stones on a simulated Mars mission in Austria, August 7, 2015. European astronomers are proposing a drone mission to gather images of the Martian landscape.
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A team of European astronomers has a new proposal for exploring Mars: a helicopter drone.

Efforts to survey the Martian landscape have delivered some pretty stunning results. Just last week, the U.S. Geological Survey three maps and accompanying last December (although it did recently up a handful of sand for analysis).

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