There are places on Mars, like Gusev Crater, which resemble soda lakes on Earth, according to an analysis of minerals by NASA's Spirit rover.

根据美国航空航天局勇气号探测器对矿物质的分析，火星上有些地方——比如古瑟夫撞击坑——和地球上的碱湖差不多。

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Nasa's Mars Exploration Rover Spirit detected the carbonate-rich rocks in the Columbia Hills of Gusev Crater.

美国航空航天局的火星探险号飞船在古谢夫陨石坑的哥伦比亚山探测到富含碳酸盐的石头。

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After a year of no contact from the Spirit rover, last seen inside a crater on Mars' surface, Nasa is preparing to give up the search.

在与勇气号(最后见到在火星表面的一个陨石坑内)断绝联系一年之后，美国宇航局正准备放弃探查工作。

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At this very hour, the Mars exploration rover Spirit is searching for evidence of life beyond the Earth.

CNN: Bush: 'It is time for America to take the next steps' in space

"You take what Mars gives you, " said Squyres, also the lead scientist on the Mars Exploration Rover Mission, which includes Spirit and Opportunity.

CNN: Rover Curiosity near Mars landing

Before Curiosity, NASA's big rover project was the Mars Exploration Rover Mission: two golf-cart-sized rovers called Spirit and Opportunity.

CNN: What we've done on Mars, and what's next