单词：comparable horizon of river
单词：comparable horizon of river 相关文章
Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.
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These discoveries raised the stakes. Here was a planet similar to our own. Mars might not have cities or civilizations. But it could be home to other smaller life forms like microbes. Chris McKay is N
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I think it is exciting. Because it would imply that if life arose independently on Mars. The implication is that life is pervasive throughout the universe. This is why Mars has so obsessed scientists.
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In 2001 a new NASA probe was launched. Called Odyssey, it was sent to Mars to carry out the most detailed analysis ever of the planet’s surface. What it has discovered may be about to answer one of
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But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough
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Rice had seen the same thing in Iceland, one of the few places on Earth with similarities to Mars. It too is extremely cold, and most of the water is frozen into glaciers. And also like Mars, buried u
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For Mars to have rivers, it must once have had streams, rain, clouds and an atmosphere, a planet just like the Earth today-if these were rivers. They had to be sure. The answers would come in 1998 wit
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William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in
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Of course, any terraforming is still a long way off. The next few expeditions to Mars will definitely be made by machines. NASA, are sending 2 rovers, capable of travelling over 100 meters a day in se
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Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t
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Life on Earth is basically proteins and DNA, so we can wonder if there is life on Mars will also be DNA and proteins, the same type of DNA, the same type of proteins. One might think that DNA is such
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But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa
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But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch
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The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee
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One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'
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[0:0]comment评论,意见 [0:45.1072]commerce commercial commission commit商业,贸易 商业的,商务的 委员会 犯(错误),干(坏事) [1:40.9212]commitment committee communicate community承诺,保证 委员会 交流,交际,通讯 社区,社会 [2:42.1605]comparable comparative c
闭着眼睛飘单词 四级词汇
都说Pearl harbour是 珍珠港的意思，其实还有更中土的翻译： 蚌埠。 都说Greenland是格陵兰的意思，其实还有更中土的翻译：青岛。 都说Deep River是宇多田光的专辑，其实它还有另外一个神奇的名
英语笔译
HEALTH REPORT - In Study on Overweight Mice, Chemical Reduces Effects of ObesityBy Caty Weaver Broadcast: Wednesday, November 15, 2006 This is the VOA Special English Health Report. Resveratrol is a c
2006年慢速英语(十一)月
今天我们要学的词是comparable。Comparable, 意思是可比较的，相当的。2月5号是美国一年一度的超级杯橄榄球赛。球场安全负责人说: The overall Super Bowl security effort is comparable to the protection that surr
英语单词荟萃
听力文本 Recording 7 录音7 1. We had a good response to our survey and we found that while 80% of our students drink coffee, only 15% drink tea, with the rest preferring water. 1、我们的调查反响很好，我们发现，80%的学生喝咖啡
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