单词：smog horizon
单词：smog 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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China's Ministry of Environmental Protection is warning the air across much of northern China is going to remain seriously polluted through the night. The smog shrouding northern and eastern China has been forcing highway closures and flight cancella
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The smog is expected to completely disperse on Wednesday as a strong cold front will hit the region. Zhang Linna is the Chief reporter of the Central Meteorological Station The new front cold will strengthen the north wind. Then, the lingering smog w
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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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Dutch designer Daan Roosegaarde and his team have brought the world's largest anti-smog tower to tthe 2017 Summer Davos in Dalian. A photo taken on June 28, 2017 shows the Smog Free Tower displayed during the Summer Davos in Dalian, Liaoning Province
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Zhang Hengde is a forecaster with the National Meteorological Center. The highest level can be expected on Tuesday and Wednesday morning. Heavy smog will be seen in central and south Beijing, central and west Tianjin, central and north Hebei, north S
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Heavy smog shrouded Beijing on Wednesday October 19, and a yellow alert, the third-highest warning level, was issued by the environmental authorities on Tuesday, the Legal Daily reported. The yellow alert means the Air Quality Index will exceed 200 f
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After a couple of weeks of relatively clear and blue skies, smog blankets large parts of northern China again, including Beijing, Tianjin, and Hebei province. The Ministry of Environmental Protection says the smog will linger for another five days in
cctv9英语新闻2017年
BEIJING, Feb.17 (Xinhua) -- Fresh smog shrouded Beijing and some other provinces in China early on Sunday, disrupting highway traffic and flights. Readings for PM2.5, hazardous particles measuring 2.5 microns in diameter or less, exceeded 200 microgr
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BEIJING, Jan. 31 (Xinhua) -- Smog blanketing large swaths of China was thinning out on Thursday, with air pollution in some cities easing, the Ministry of Environmental Protection (MEP) said. According to monitoring by 10 a.m., smog-hit regions had s
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Despite the recent air pollution here in Beijing, residents still hold different opinions on whether or not to light fireworks this coming Spring Festival. For celebrating the festival, I think setting off fireworks has its special meaning. And I don
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