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Science 30 March 2007:
Vol. 315. no. 5820, pp. 1788 - 1789
DOI: 10.1126/science.315.5820.1788b
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News Focus

LUNAR AND PLANETARY SCIENCE CONFERENCE:
Warped Shorelines on a Rolling Mars

Richard A. Kerr

LEAGUE CITY, TEXAS--A group of geophysicists reported at the Lunar and Planetary Science Conference, held here from 12 to 16 March 2007, that they have found a plausible explanation for warped ancient shorelines on Mars: The planet rolled on its side, twice, in response to a huge ocean basin emptying. (Read more.)

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