在半个世纪的辉煌中，NASA曾出现一些难堪的失误，从装反了的仪器，到英制单位惹的祸，后者直接导致了火星气候轨道器的失踪。
While writing a glorious chapter, NASA also left its most embarrassing goofs, from equipment installed backwards to errors with the metric system, which led to the missing of the Mars Climate Orbiter.
科学家正在努力寻找火星气候的秘密——在这个红色的星球上发现有水存在的证据，它将作为在火星上寻找生命的线索，也可以说明在宇宙的别处也有可能存在生命。
Scientists are working to unravel the mystery of Mars's climate-evidence of water on the red planet will hold clues about life on Mars, as well as the potential for life elsewhere in the universe.
俄罗斯和美国的宇宙飞船还发现了一些迹象，表明火星古代的气候可能更湿润、更凉爽，甚至可能更适合生命生存。
Russian and American spacecraft also found hints that its ancient climate might have been wetter, cooler, and possibly even friendly to life.
据认为，与地球一样，在过去数百万年里火星也经历了全球气候变化。
Mars, like Earth, is believed to have experienced global climate changes over the past few million years.
勇气号还可以继续观测气候。它的加速度计可以用作地震检波器，检测火星的地震情况。
The Spirit could also continue to take weather measurements, and its accelerometers could act as seismometers, listening for Mars quakes.
基于这个原因，另外因为火星上明显没有海洋和生命，要确定火星上气候变化的原因和历史应该不难。
For this reason and because of the apparent lack of recent oceans and life on Mars, it should be simpler to determine the causes and history of climate changes on Mars.
太阳能电池板将提供电力，而放射性同位素加热器单元能够经受火星的严寒气候。
Solar panels will supply power and radioisotope heater units will help it withstand the extreme cold on Mars.
大量的二氧化碳曾经使火星的气候变得温和，并且目前在火星上仍然可能存在着二氧化碳。 在冻结的泥土和极地冰盖中还可能存在着水。
Much of the carbon dioxidethat once warmed Mars is probably still there, in frozen dirt and polar icecaps, and so is the water.
在我们自己的太阳系，火星上极端变化的气候表明了是由于它的旋转倾角随时间在0到60度之间的变化而引起的。
In our own solar system, Mars shows evidence of extreme climate change, the result, scientists believe, of a rotational tilt that flips between zero and 60 degrees over time.
通过宇宙飞船发回的数据（包括目前正在火星探测的飞行器在内），我们已经发现有证据可以表明，在火星形成初期，它的气候温和，有一段时间曾有河流流入汪洋大海的迹象。
The first question has aclear answer: Yes, we probably could. Spacecraft, including the ones nowexploring Mars, have found evidence that it was warm in its youth, with riversdraining into vast seas.
报告称在过去的年代中火星也许曾有过一个相对温暖的气候，那时它的地轴冲着太阳倾斜的角度更大。
The report says that Mars probably had a warmer climate in ages past, due to its axis having been more steeply tilted towards the Sun.
它给我们揭示了这个行星早期的历史，至少证明了火星也曾经有过和地球相似的气候。
It shows that early in the planet's history, at least part of Mars could support a climate like that of Earth.
多数科学家认为，火星上的气候变化并不一定是由猛烈而有突发的事件造成的。
Most scientists do not feel that Mars 'climate change was necessarily caused by a violent and sudden event.
在火星的两极，冰川，从数以千计的阶层组成，是过去气候变化的证据。
At Mars' poles, glaciers, formed from thousands of fine strata, are evidence of past climatic fluctuations.
人们在地球、木星、火星和金星上都发现了极地涡流，它们比周围的气候环境更冷。
Polar vortices are found on Earth, Jupiter, Mars and Venus, and are colder than their surroundings.
如果好奇号完好无损的抵达火星，它将考察火星的气候条件和地理环境，并且寻找火星上的生命迹象。
If it gets there in one piece, it will examine the climate and geology of Mars and look for any signs of life that might have arisen.
美国宇航局随后低调处理了火星上有生命这个概念并且代之以系统的宣传探索火星的后期地质和气候。
NASA subsequently played down the notion of life on Mars and instead set out on a methodical campaign to explore the past geology and climate of Mars.
这些“机遇”号能研究的层状结构保存了火星整个历史进程中变化的气候的记录。
These layers preserve a record of Mars's changing climate throughout the planet's history, which Opportunity can read.
火星北半球每到春天来临都会发生一次解冻，温暖的气候造成了固态的二氧化碳冰直接升华成气体。
A thaw occurs each spring in the Northern Hemisphere of Mars, as the warming climate causes solid carbon dioxide ice to sublimate directly to vapor.
目前尚不清楚火星上的宜居气候有多长，能否孕育生命。
It's unknown if the habitable climate lasted long enough for life to emerge on Mars.
目前尚不清楚火星上的宜居气候有多长，能否孕育生命。
It's unknown if the habitable climate lasted long enough for life to emerge on Mars.
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