太阳科普 第7期

As they grow bigger and bigger, 随着体积越来越大 they start to spin and throw out a disk of debris 它们开始旋转，甩出的碎屑形成盘状 that will coalesce to form a solar system. 在日后融合形成太阳系 This kind of process

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Unit 4 A visit to the Space museum [00:10.17]参观航天博物馆 [00:20.35]page 83 Read,think and write [00:23.12]Which is the largest planet in our solar system. [00:25.83]在太阳系哪颗行星是最大的行星？ [00:28.53]Jupiter is the larg

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Newly Discovered Solar System Matches Our Own The American space agency NASA and the technology company Google have identified an eighth planet in a faraway solar system. 美国宇航局和谷歌科技公司已经发现了一个遥远的类太阳系中

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说说星座故事 Astrology is an ancient practice, and appears to have its origins in Chaldea, thousands of years B.C. By 700 B.C., the Zodiac was established. A few centuries later, the Signs of the Zodiac were very similar to the current ones. 占星

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Is There a Ninth Planet in Our Solar System? 科学家称发现太阳系新行星 Scientists said they have found evidence of a giant planet far out in our solar system. In a statement, the California Institute of Technology Caltech -- said this plan

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Suns Hidden Twin Stalks Planet Earth 太阳隐藏着的小兄弟威胁着地球 [1] When the end of the world comes, we'll know what to blame. Scientists have found compelling evidence that the Sun ha

万物简史 第31期:走进太阳系(9)

So the solar system is really quite enormous. By the time we reach Pluto, we have come so far that the Sunour dear, warm, skin-tanning, life-giving Sunhas shrunk to the size of a pinhead. It is little more than a bright star. 所以，太阳系确实是

万物简史 第33期:走进太阳系(11)

But let's pretend again that we have made it to the Oort cloud. The first thing you might notice is how very peaceful it is out here. We're a long way from anywhere nowso far from our own Sun that it's not even the brightest star in the sky. It is a

万物简史 第30期:走进太阳系(8)

Now the first thing you are likely to realize is that space is extremely well named and rather dismayingly uneventful. Our solar system may be the liveliest thing for trillions of miles, but all the visible stuff in itthe Sun, the planets and their m

万物简史 第28期:走进太阳系(6)

So if Pluto really is a planet, it is certainly an odd one. It is very tiny: just one-quarter of 1 percent as massive as Earth. If you set it down on top of the United States, it would cover not quite half the lower forty-eight states. 因此，如果冥

万物简史 第27期:走进太阳系(5)

As for Pluto itself, nobody is quite sure how big it is, or what it is made of, what kind of atmosphere it has, or even what it really is. A lot of astronomers believe it isn't a planet at all, but merely the largest object so far found in a zone of

万物简史 第25期:走进太阳系(3)

One nice touch about Christy's discovery was that it happened in Flagstaff, for it was there in 1930 that Pluto had been found in the first place. That seminal event in astronomy was largely to the credit of the astronomer Percival Lowell. 克里斯蒂

万物简史 第24期:走进太阳系(2)

This was actually something of a blow to Pluto's status as a planet, which had never been terribly robust anyway. Since previously the space occupied by the moon and the space occupied by Pluto were thought to be one and the same, it meant that Pluto

万物简史 第23期:走进太阳系(1)

2.WELCOME TO THE SOLAR SYSTEM 2.欢迎来到太阳系 Astronomers these days can do the most amazing things. If someone struck a match on the Moon, they could spot the flare. From the tiniest throbs and wobbles of distant stars they can infer the siz

美科学家称发现太阳系第九行星

Researchers are now pretty certain there's a ninth planet in the solar system. 研究人员如今相当确定，太阳系中存在着第九颗行星。 Konstantin Batygin and Mike Brown, two CalTech scientists, say the new planet is about 10 times th

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经济学人452:光学方法帮助寻找其他太阳系的生命

Science and technology. 科技。 The search for alien life 寻找外星生物 Twinkle, twinkle, little planet 闪烁吧，小行星 An undervalued optical trick may help to find life in other solar systems 一个不被人重视的光学方法可能能

【英音模仿秀】太阳系可能存在第9行星

模仿句子：The object, which has been nicknamed Planet Nine by researchers of the California Institute of Technology, is orbiting billions of miles beyond Neptune. 翻译：这一被加州科技研究所研究者命名为第九行星的星体，正