NASA's Phoenix lander sends photos showing that white chunks seen days ago have disappeared, delighting scientists.
Images from NASA's Phoenix lander released late Thursday appeared to confirm the presence of buried ice, the first evidence that the spacecraft landed in the right spot last month to find water on Mars.
Pictures taken of a trench dug earlier in the week by the lander's nearly 8-foot-long robotic arm showed that eight small, whitish chunks of material at the base of the trench had disappeared by Thursday. - Los Angeles Times
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