Recent findings provide evidence that our red neighbor, Mars, presently contains plentiful water as well as dormant volcanoes. The discovery of the water came after the wheels of NASA's Spirit rover churned out a strange, white substance from the planet's dust. Ian Campbell, a University of Guelph physicist, says "We're seeing indirect evidence of water, water that's chemically bound into a white, salty stuff that seems to lie below the surface sand." Campbell and his colleagues believe the samples contain up to 16 per cent water, and that they are likely remnants of oceans or pools that evaporated.
In addition to these findings, Mars may also be home to three dormant volcanoes that were originally thought to be completely extinct.
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http://www.discoverychannel.ca/reports/article.aspx?aid=4810
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