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Rainbow of Martian Minerals Paints Picture of Degradation

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Science  06 Aug 2004:
Vol. 305, Issue 5685, pp. 770-771
DOI: 10.1126/science.305.5685.770

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Better spectroscopic observations from Europe's Mars Express and analyses by NASA's rovers (see p. 793) are revealing a diversity of minerals that tells of water shaping the planet.