News FocusPlanetary Science

Who Can Read the Martian Clock?

Science  26 May 2006:
Vol. 312, Issue 5777, pp. 1132-1133
DOI: 10.1126/science.312.5777.1132

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Summary

HOUSTON, TEXAS-- Researchers squabble over how to date martian geology by tallying impact craters. They're down for the count. (Read more.)