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Published online 11 June 2001 | Nature | doi:10.1038/news010614-3
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Cones on Mars
Arrays of cones on Mars could be the stamp of recent water ice.
Cones poking out from the surface of Mars could be evidence for recent water ice on the red planet - this time just beneath some of the most parched regions of its rocky terrain1.
High-resolution images of an area the size of Canada taken by the Mars Orbiter Camera reveal what appear to be rootless cones.
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