A trip to Mars is not an early prospect.
到火星的一次旅行并不是处于早期的展望。
was supposedly going to be a return mission to the moon followed by a trip to Mars.
据称乔治•布什时代的星座项目是继火星之旅后将是一个恢复到月球的任务。
A trip to Mars will take humans so far from home that Earth will look no bigger than a star.
去火星的旅程将把人类带离家园，地球看起来将并不比一颗星星大。
The goal is to gain experience about the psychological challenges that a crew will face on a trip to Mars.
这项实验的目的是在船员将在到火星的旅程中面临的心理挑战上获得经验。
This is attractive because very little fuel is needed to land on an asteroid, and the journey is shorter than a trip to Mars.
这是有吸引力的，因为很少的燃料所需的土地上的一颗小行星，而短于一趟旅程到达火星。
Bush-era Constellation project, for instance (later cancelled by Mr Obama), was supposedly going to be a return mission to the moon followed by a trip to Mars.
乔什·W·布什时期的“群星计划”就是其中之一，该计划本打算重返月球，然后进军火星。
The full version will provide a detailed comparison of the five options presented in the summary report – including one plan that would culminate in a trip to Mars orbit.
报告的完整版本将提供对摘要报告里的五个方案的详细比较——其中包括一项以在最终完成火星轨道飞行为目标的计划。
The George W. Bush-era Constellation project, for instance (later cancelled by Mr Obama), was supposedly going to be a return mission to the moon followed by a trip to Mars.
例如(后来被奥巴马取消)，据称乔治·布什时代的星座项目将是一个恢复到月球的任务，随后为火星之旅。
We're happy and proud to answer positively to the question asked a year-and-a-half ago: 'Is man able to endure, physiologically and psychologically, the confinement of a trip to Mars?
我们都感到既骄傲又高兴地对一年半前提出的‘人类在去火星时能忍受生理上和心理上的禁闭旅程吗？’的问题作出肯定的回答！
We're happy and proud to answer positively to the question asked a year-and-a-half ago: 'Is man able to endure, physiologically and psychologically, the confinement of a trip to Mars?'
我们都感到既骄傲又高兴地对一年半前提出的‘人类在去火星时能忍受生理上和心理上的禁闭旅程吗？’的问题作出肯定的回答！
A one-way trip to Mars, for example, would take at least six months.
例如，去火星的单程旅行至少需要6个月。
The spaceship will have to carry a lot of water for the long trip to Mars.
宇宙飞船在前往火星的漫漫长途之中，必须携带大量的水。
Scientists say that a water-powered spaceship could make the trip to Mars much cheaper.
科学家称，水动力宇宙飞船可以大幅减少火星之旅的成本。
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。
In the past week, plans for a manned lunar base, and a subsequent trip to Mars, were leaking from Washington, DC, almost as fast as air from the international space station.
上周，华盛顿特区透露了宁要建立—个'人类月球基地，然后登上火星的计划。这次透露几乎与国际太空站的空气—样快。
Last year four Russians, one German and a Frenchman successfully completed a 105-day simulated trip to Mars.
去年，4名俄罗斯宇航员，1名德国和1名法国宇航员成功地完成了长达105天的模拟登陆火星的实验。
Now let's leap ahead, and much farther afield. What kinds of issues might a crew of astronauts face on a longer journey-say, a round-trip to Mars?
现在让我们跳跃前进，更进一步地研究这个话题：宇航员在长期的太空旅行，换句话说，环游火星时可能要面临的问题？
On the very same day as the eclipse, July 7, Mars will be in beautiful Angle to Uranus, so you may be taking a trip quite unexpectedly.
在7月7日满月的同一天，火星将和天王星呈现一个漂亮的角度，所以你可能毫无预期地做一趟短途旅行。
With sufficient scientific information a manned trip to Mars should be feasible.
充足的科学信息，载人去火星是有可能做得到的。
With Mars supporting the full moon, you may be planning a romantic trip with your partner to your own private paradise.
随着火星支持着满月，你可能和你的另一半正计划着一次去往你心中天堂的浪漫旅行。
Only when a great deal more information has been obtained, will it be possible to plan a manned trip to Mars.
只有在获得大量资料后，才有可能筹划载人的火星之行。
By now, a rocket will have set off on its 35 million mile trip to Mars and scientists must be waiting anxiously for the results.
现在，一枚火箭可能已经开始了它的三千五百万英里的火星之行，科学家们一定在焦急地等待着结果。
It is estimated that a round-trip flight to Mars would take more than a year and a half.
据估计飞到火星来回的时间要超过一年半。
It is estimated that a round-trip flight to Mars would take more than a year and a half.
据估计飞到火星来回的时间要超过一年半。
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