单词：peat recurrence horizon
单词：peat recurrence horizon 相关文章
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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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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Selena Gomez-Love You Like A Love Song 赛琳娜戈麦斯，台湾译：赛琳娜戈梅兹；美国歌手和演员，生于德克萨斯州Grand Prairie小镇，被称为Miley Cyrus最强劲的对手。6岁开始对表演产生兴趣，7岁出演美国著
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Selena Gomez--Love You Like A Love Song 赛琳娜戈麦斯，台湾译：赛琳娜戈梅兹；美国歌手和演员，生于德克萨斯州Grand Prairie小镇，被称为Miley Cyrus最强劲的对手。6岁开始对表演产生兴趣，7岁出演美国
情人节英文歌曲
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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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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ENVIRONMENT REPORT -August 23, 2002: Fires in Russia By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Clouds of thick smoke have spread across some of Russia’s largest cities. The
健康与环境
Sam Smith To Sing for New James Bond 'Spectre' 《007:幽灵党》主题曲将由英歌手萨姆-史密斯演唱 When it comes to a James Bond movie, we all have been taught that there are at least two things it must have. One is a 007 British secret
2015年VOA慢速英语(九)月
AS IT IS 2016-08-12 Indonesia Prepares for Another Dangerous Fire Season 印度尼西亚准备应对新的火灾季 Last year, some of the biggest fires in recent history burned through parts of Indonesia. The fires sent huge clouds of smoke across I
2016年VOA慢速英语(八)月
AS IT IS 2016-09-20 Study: 100,000 Deaths From Indonesia's Haze 研究表明印度尼西亚烟霾致10万人死亡 Researchers say a thick haze caused by man-made forest fires in Indonesia is the likely cause of more than 100,000 deaths. 研究人员表
2016年VOA慢速英语(九)月
Science and Technology Peat bogs and climate change Wet, wet, wet 科技 泥炭沼泽及气候变化 湿！湿！湿！ Forests are not the only habitat whose conservation matters to the climate 森林并不是唯一事关气候保护的栖息地 RUS
经济学人科技系列
The renewable resource now provides a quarter of the electricity Ireland consumes every year. 现在每年提供爱尔兰电力消耗的四分之一是可再生资源。 Eirgrid, a state-owned company which manages the grid in both Northern Ireland a
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Europe 欧洲 Energy in Ireland: Bog down, wind up 爱尔兰能源：停顿，关闭 Ireland is ditching peat for energy from wind. 爱尔兰正从泥炭能源转向风能。 Peat has a lot to recommend it. 这个岛国的目标是成为电力净出口
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