NASA on Monday declared an end to the Phoenix mission, some five months after the spacecraft became the first to land in Mars' arctic plains and taste water on another planet.
Mission engineers have not heard from the Phoenix lander in over a week. It fell silent shortly after a raging dust storm blocked sunlight from reaching its solar panels. Although ground controllers will direct two satellites orbiting Mars to listen for Phoenix for several more weeks, the chances that it will respond are slim.
"We are actually ceasing operations, declaring an end of mission operations at this point," said project manager Barry Goldstein of NASA's Jet …
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