单词：terrestrial horizon
terrestrial horizon的用法和样例：
例句
- For some stars both culminations take place above the horizon.有些星星两个中天都出现在地平之上。
单词：terrestrial horizon 相关文章
Who would have ever thought that a creature with an extending 1) turtle-like neck, a finger as bright as a nightlight, or a 2) penchant for Coors beer would translate into hundreds of millions of doll
疯狂英语2002年
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
火星生命
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.
火星生命
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
火星生命
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
火星生命
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
火星生命
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
火星生命
When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bea
2016年Scientific American(十)月
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
火星生命
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
火星生命
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
火星生命
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
火星生命
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
火星生命
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
火星生命
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'
火星生命
中文 英文 缩写 等效（值）忙时呼叫 Equated Busy Hour Call EBHC 等效功率流密度 Equivalent Power Flux Density EPFD 等效随机业务 equivalent random traffic 等效误码率 Equiv
电信英语
This is Scientific American's 60-Second Science, I am Cynthia Graber.This'll just take a minute. On earth, snow crystals as we all know, form from frozen water. But scientists believe there're also flakes that fall on Mercury, and they're made of iro
Scientific American(六)月
We're gonna have that little Colorado town. That is on the map now for being a UFO magnet. Last week, the people of Lafayette, population of 26,000, looked up the night's sky and saw a strange triangular formation of lights. The video has gone viral,
万花筒2011年
Topics: Movies - E.T.: The Extra-Terrestrial; The MacArthur Fellows Program; important versus significant versus critical; tough; navel-gazing Words: extra-terrestrial alien to be stranded to lure psychic highest-grossing foundation genius merit no s
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