Manned mission to Mars? Hedgehogs may go first

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Published on 27 Feb 2013, 15:21
Feb. 27 - American entrepreneur Dennis Tito says he wants to launch a manned mission to Mars in January 2018, but researchers at NASA and Stanford University argue that it may be better to visit the mysterious Martian moon, Phobos first. They're developing a team of robots they call "hedgehogs" to explore Phobos in the belief that a trip to the Martian moon will make a subsequent mission to Mars safer and more productive. Ben Gruber reports.
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