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Lakes of Mars

22 Jan 2010, 14:37 UTC
Lakes of Mars
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On May 25, 2008 the Phoenix lander touched down in the Green Valley of Vastitas Borealis at a latitude of 68 degrees North. Landing near the Arctic North of Mars, Phoenix returned images of ice just beneath the surface. With a planned lifetime of 3 months, Phoenix continued transmitting for 5 months before going silent to the Martian Winter. Today JPL scientists are trying to re-establish contact. The Odyssey orbiter will complete 30 overflights this week, with more passes planned for February and March.This week French scientists have concluded that water ice from Planum Borum, the polar ice cap, is exceptionally pure. Data from the Shallow Radar (SHARAD) instrument about the Mars Reconnaissance Orbiter points to 95 percent purity. The Martian North would be an excellent place for humans to settle and stay. a settler could bet her life on finding water beneath the surface.Growing evidence points to a warm, wet past for Mars. Abundant photos point to ancient lakes and stream beds. A lake bed is difficult to spot from orbit, so even more may exist. This adds to evidence from Martian meteorites that early Mars had conditions suitable for life. Billions of years ago the planet may have ...

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