Manned mission to Mars? Hedgehogs may go first
Its developers call it a hedgehog. The robot is covered by spikes, but unlike the those of its namesake, they're not for protection against predators, but against the dangers of unknown terrain on the Martian moon Phobos. Issa Nesnas, a robotics engineer from NASA's Jet Propulsion Laboratory, says Phobos is shrouded in mystery. He says scientists want to find out how it came to orbit its planet closer than any other in the solar system.
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