标签：Cosmos 相关文章
4.John Biggers ,Starry Crown Introduction of the artist John Biggers was born in North Carolina in 1924, the youngest of seven children. Whereas Biggers' earlier works convey a sense of burden and ordeal is drawings of life in Africa and his later wo
听美文故事记6级单词
情景对话： Does he really live up there? I took basic astronomy and there was no mention of life, or children, on any other planets. Unless it's true that he came from a star, but that seems improbable. 知识点讲解： There was no mention of
2018年VOA慢速英语(一)月
Brahmans were responsible for reciting the vedas, an ancient body of divine teachings and hymns in sacred spaces and in people's homes, just as they do today, another key role was to perform sacrifices to persuade the gods to sustain the order of the
探索与发现2015年
By Jessica Berman Washington 29 October 2009 Ultraviolet, X-Ray images of gamma-ray burst Astronomers have discovered evidence of the oldest and most distant cosmic event ever detected, a burst from a dying star that occurred 13 billion years ago, v
VOA标准英语2009年(十月)
Imagine that you spent your whole life at a single house.Each day at the same hour you entered an artificially-lit room,undressed and took up the same position in front of a motion picture camera.It photographed one frame of you per day,every day of
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By David McAlary Washington 17 March 2006 Scientists report evidence that the universe was born in less than the blink of an eye, expanding instantly from sub-microscopic size to astronomical proporti
2006年VOA标准英语（三月）
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
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And clearly, we are trying to find evidence of ET, and we are trying to do that by looking for a signal, in whats called the electromagnetic spectrum, which is a fancy way of saying the radio dial, at least for us. Let me turn on my radio here, okay,
自然百科2008年
We've transported the earth 3 billion years into the future. The sky is dominated by a massive galaxy called Andromeda. The view looks peaceful enough. But whats about to happen is one of the greatest calamities in the universe. The clues lie in thes
自然百科2011年
So what we are looking at is a region about 200 million light years across which is actually just a small part of our really big simulation that we call Bolshoi which is Russian for big. Everything that you see here is actually completely invisible.
自然百科2011年
What happens is that, first the dark matter forms the structure, the ordinary matter then follows the dark matter. The ordinary matter is hydrogen and helium at this stage. And the hydrogen and helium fall/ to the center of the dark matter halos that
自然百科2011年
Measuring the brightnesses and colors of the stars in the globular cluster, we can figure out how old they are. Here is the remarkable thing: they are very old. Globular clusters, at least the stars in the globular clusters, in many cases, are almost
自然百科2011年
We are at a foundry here, and they are pouring molten iron from all machinery. And they are going to make parts for new machines out of that iron, so they are recycling yet, but all that iron was created and ejected into the cosmos by gigantic stars
自然百科2011年
For thousands of years, weve wondered if we are alone in the cosmos. Life, is it a one-time event, or its something that's occurred lots of times throughout the universe.? And at this very moment, new discoveries are bringing us closer to the answers
自然百科2010年
Water allows the sand grains to flow to gather and intermingle and form more complex structures. In the same way, water acts like a cocktail mixer, allowing the atoms and molecules to come together, and also may form the building blocks of life. All
自然百科2010年
Really, its a balance between the size of the object, its speed into the atmosphere and critically the altitude at which it explodes. Too high, if its too small and it explodes too high, the shockwave has little effect on the ground. If its quite low
探索与发现2014年
By David McAlary Washington 14 September 2006 Astronomers have found that the universe began lighting up in its infancy. They have observed the most distant and oldest galaxies ever seen, small galaxies that helped lift the cosmos out of its dark ag
2006年VOA标准英语（九月）
By Mike O'Sullivan Los Angeles 05 December 2006 Visitors to Hollywood often hope to catch a glimpse of the stars on the silver screen. Now, they can also get a peek at the stars in the sky at the Griffith Observatory, a longtime Hollywood landmark.
2006年VOA标准英语（十二月）
Galileo, however, used one of the earliest telescopes to look at Jupiter. He noticed that Jupiter has moons going around it. Apparently everything in the cosmos didnt have to go around the earth! Perhaps, Galileo said, it just looks like everything m
英语时差8，16
Better Than Barney 某天夜里，你一觉醒来发现电视机忘了关，节目却已播完，电视屏幕上嘶嘶地闪着雪花，也许你不会想到，再普通不过的雪花噪音竟包含来自137亿年前宇宙大爆炸的遗物微波背景
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