奥维德森作为凤凰小组成员将继续开展漫游车的相关工作，他说最近任务得到的证据指明火星过去至少具备了孕育生命的能力。
Arvidson, who was on the Phoenix team and continues to work on the Nasa rovers, says the evidence from the latest missions points to a Mars that at least in the past could well have supported life.
NASA一个新的，名为‘凤凰’的火星任务将准备在今年夏天启动。一个参与其中的科学家说盼着能对火星是否有生命这一新的理论进行实验。
A new NASA Mars mission called Phoenix is set for launch this summer, and one of the scientists involved said he is eager to test the new theory about life on Mars.
凤凰号90天的任务就是分析火星北极冻土的土壤和永久冻土带，看他们在过去和现在是否有生命存在的信号。
The Phoenix's 90-day mission is to analyze the soils and permafrost of Mars' arctic tundra for signs of past or present life.
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