US probe lands safely at Mars' north pole
China Daily | Updated: 2008-05-27 07:41
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This artist rendition provided by NASA and the Jet Propulsion Laboratory shows the Phoenix lander on the arctic plains of Mars digging a trench through the upper soil layer. AP |
NASA's newest outpost in the solar system is a polygon-cracked terrain in Mars' northern polar region believed to hold a reservoir of ice beneath.
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