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听美文故事记6级单词10-10

Thomas Henry Huxley May 5,1883 I beg leave to thank you for the extremely kind and appreciative manner in which you have received the toast of Science.It is the more grateful to me to hear that toast proposed in an assembly of this kind,because I hav

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听美文故事记6级单词

Supermassive Black Holes 超大质量黑洞 - 6

When the results came down from the telescope he saw something that was completely unexpected. The picture from the active galaxy where he hoped to find a black hole was unreadable. NGC 1068 was just

发表于:2018-12-07 / 阅读(390) / 评论(0)

超大质量黑洞

SSS 2009-01-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We residents of the Milky Way should have a little extra skip in our step today. Turns out our home galaxy is much bigger and moving a lot faster than we previously th

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Scientific American(一)月

美国国家公共电台 NPR House Hunters Intergalactic

House Hunters Intergalactic OPHIRA EISENBERG, HOST: Josh and Joey, we've got a great trivia game for you. Joining us on the line from Los Angeles, please welcome a voice that is very familiar to fans of HGTV. She's the narrator of HGTV's House Hunter

发表于:2019-01-17 / 阅读(175) / 评论(0)

2016年NPR美国国家公共电台8月

科学美国人60秒 SSS 2014-08-11

This is Scientific Americans 60-Second Science. I am Christopher itagliata. Got a minute? How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Mil

发表于:2019-01-20 / 阅读(150) / 评论(0)

2014年Scientific American(八)月

科学美国人60秒 SSS 2014-08-07

How heavy is the Milky Way in comparison to its neighbor galaxy, Andromeda? Well, depends how you calculate it. In 2006 one group of astronomers figured the Milky Way was twice as massive as Andromeda. A 2009 estimate evened the score, calculating th

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2014年Scientific American(八)月

科学美国人60秒 SSS 2014-08-06

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2014年Scientific American(八)月

英语听力：自然百科穿越银河系的旅行 Through Milky Way—31

Our galaxy is rushing toward the great galaxy Andromeda, they are rushing toward each other. And they are going to encounter each other in a couple billion years. Abraham and his colleagues decide to try to simulate this clash of the Titans. This was

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自然百科2011年

英语听力：自然百科穿越银河系的旅行 Through Milky Way—30

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

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自然百科2011年

Step by Step 3000 第2册 Unit11:Space(2)

Part 2. Astronomers discover solar system. Keywords. another solar system, planets, challenge. Vocabulary. constellation, astronomy, full-fledged, Jupiter. A. Listen to a science report, write down the information about the new solar system. What sci

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Step by Step 3000 第二册

英语听书《白鲸记》第720期

Chapter 82 The Honor and Glory of Whaling 第八十二章捕鲸业的令誉与荣华 There are some enterprises in which a careful disorderliness is the true method. 有若干冒险事业，它的真正的规律就是小心翼翼而又杂乱无章。

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