From 3 June, the Mars 500 project will send a "crew" of six on a simulated 520-day round trip to the Red Planet and back.
从6月3日起，火星500计划将派遣6名“船员”进行一场环游红色星球并返回的520天模拟旅行。
Sydney was one of the top 10 most popular topics on Twitter today, as the city's skyline and landscape was variously likened to Mars, the aftermath of an alien attack and judgment day.
今天，悉尼成了Twitter上的十大热门话题之一，城市的天际和景观分别被人们比作火星、外星人攻击之后的废墟或者是面临末日审判的地方。
But it will not be bored to the study of philosophical discussion of the day special theory of relativity or the human ability to settle on Mars and be too worried.
但也不会无聊到整天研究哲学讨论狭义相对论或人类能否移居火星而过分担忧。
The Phoenix's 90-day mission is to analyze the soils and permafrost of Mars' arctic tundra for signs of past or present life.
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.
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。
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