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"Why was it significant that the Phoenix lander found ice on Mars? Haven't we known for some time that Mars has ice caps at its poles?"
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Extreme Life in China's Deserts
Searching for clues to the potential for life on Mars, NASA astrobiologists recently explored microbial communities in China’s northwest region-some of the world’s oldest, driest and most remote deserts. They found evidence suggesting that conditions there may be similar to those in certain regions of Mars. The study was funded in part by Astrobiology Science and Technology for Exploring Planets (ASTEP).
Source: [Link]
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