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Published daily in Bend, Oregon, by Western Communications, Inc. Copyright 2007.
By Alicia Chang / The Bulletin
June 27, 2008
LOS ANGELES — Why is Mars two-faced? Scientists say fresh evidence supports the theory that a monster impact punched the red planet, leaving behind perhaps the largest gash on any heavenly body in the solar system.
Today, the Martian surface has a split personality. The southern....