In hyperarid environments, life can obtain water through salts that draw moisture from the atmosphere. These salts, then, should be a focus of searches for life on Mars. The experiments performed by NASA’s Viking landers may have accidentally killed Martian life by applying too much water.

中文翻译：

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我们可能在错误的地方寻找火星生命


在极度干旱的环境中，生命可以通过从大气中吸收水分的盐来获取水分。那么，这些盐应该成为在火星上寻找生命的焦点。美国宇航局维京着陆器进行的实验可能因使用过多的水而意外杀死了火星生命。