Water May Have Flowed Recently On Mars (Or Not)
December 7th, 2006 | researchmaterial
Nasa says it has found “compelling” evidence that liquid water flowed recently on the surface of Mars.
The finding adds further weight to the idea that Mars might harbour the right conditions for life.
The appearance of gullies, revealed in orbital images from a Nasa probe, suggests that water could have flowed on the surface in the last few years.
But some scientists think these fresh gullies could also have been cut by liquid carbon dioxide. (Also), further study was needed to determine whether the deposits could have been left there by the flow of dust rather than water…



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