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News and Views
Nature 446, 150-151 (8 March 2007) | doi:10.1038/446150b; Published online 7 March 2007
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Planetary science: Water cycling on Mars
Victor R. Baker1
Abstract
The Meridiani Planum region on Mars is rich in minerals derived from evaporation, but lacks a topography consistent with standing water. Do the deposits stem from upwelling groundwater early in the planet's history?
A succession of sophisticated spacecraft missions has led to spectacular advances in the understanding of Mars' global hydrology over the past few decades. One of many examples is the discovery of abundant hydrated sulphate salt minerals.
- Victor R. Baker is in the Department of Planetary Sciences and the Department of Hydrology and Water Resources, University of Arizona, Tucson, Arizona 85721, USA.
Email: baker@hwr.arizona.edu
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