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Science 6 August 2004:
Vol. 305. no. 5685, pp. 770 - 771
DOI: 10.1126/science.305.5685.770
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PLANETARY SCIENCE:
Rainbow of Martian Minerals Paints Picture of Degradation

Richard A. Kerr

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.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)