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Published online 26 February 2007 | Nature | doi:10.1038/news070226-2

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Mars — worth a detour

Europe's Rosetta mission is still years from its cometary target, but has sent home some pretty pictures of Mars en route

On 25 February the comet-chasing spacecraft Rosetta used the gravitational pull of Mars to change its trajectory, guiding it on to a future encounter with Earth. On its decade-long trip to comet Comet 67/P Churyumov-Gerasimenko, the spacecraft will fly by Earth twice more.

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