单词：depression of shore horizon
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Broadcast: July 8, 2003 (THEME) VOICE ONE: I'm Sarah Long with Doug Johnson, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: This week -- we look at some recent news about
VOA2003（下）-发展与科学
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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1. As Ernesto moves north, tourists are returning to the beaches along the Carolinas where the surf is now calm. But further up the coast, communities are raising floodwall s and preparing for heavy r
美联社新闻一分钟2006
唤醒天使与魔鬼的对话：Force Of The Shore Song：Force Of The Shore Appearance is deceptive So perfect in disguise Therea?s more than what you see A semblance is protective A blinder for the eyes A place to hide and flee Flee and you all ne
英文摇滚歌曲
今天我们要学的词是shore up。Shore up, 意思是寻求支持。上星期发表国情咨文后，奥巴马总统对五个州进行了三天的访问。 The purpose of the trip was to sell his economic plan and to shore up support for his re-e
英语单词荟萃
今天我们要学的词是shore up。 To shore up, 是支持，支撑的意思。 The new recruit will help shore up the team's defense, 这名新来的球员会增加球队的防守能力。 The International Monetary Fund agreed to a $3 billion lo
英语单词荟萃
听歌学英语:Moorlough Shore（The Corrs 爱尔兰是个美丽的国家，也是一片音乐的圣土，这里孕育出了无数优秀的歌手与乐队：U2，ENYA，Sinead Oconnor，The Cranberries，以及让无数少女痴迷Boyzone和Westlife。
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