单词：density of holes
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C.Listen to the sentences about the buildings on the map. [00:12.30]After each sentence,Write the name on the correct building. [00:18.86]1.There's a bakery between the barber shop and the bank. [00:26.23]2.There's a school next to the church. [00:31
SBS朗文国际英语教程 练习册 1
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It means that Silk and Ree's theory may be right and if it is also right that supermassive black holes helped trigger star formation, then it must mean that all giant black holes and their galaxies ar
超大质量黑洞
In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou
超大质量黑洞
In March 2000, two astronomers made an extraordinary discovery, one that is set to overturn our understanding of how the universe formed. We're never going to see a time like this in astronomy again.
超大质量黑洞
But we are just one in 125 billion galaxies of different shapes and sizes spinning through space. Yet scientists haven't been able to explain how a single one of these galaxies was created. Galaxy for
超大质量黑洞
A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets
超大质量黑洞
This ferocious heart of brilliant hot gas is called a quasar. Scientists thought this whirling mass might be caused by a giant black hole sucking up gas and stars, literally feeding on the center of a
超大质量黑洞
EXPLORATIONS - Blue Holes: Some of the Least Explored Areas on Earth BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands s
2011年VOA慢速英语(十一)月
MODULE 2 DIARIES\n [au:]模块2 日记 [00:04.13]UNIT 4 Tree Planting Day\n [au:]第4单元 植树节 [00:08.01]Text\n [au:]课文 [00:09.63]1 Here's a page from Jiamin's diary. Look, listen and read the diary.\n [au:]1 以下是佳民日记中的一页
广州版金太阳小学英语六年级下
[00:00.52] 12.18 Holes in His Mind [00:06.29]Major James Nesmeth had a dream of improving his golf game and he developed a unique method of achieving his goal. [00:14.35]Until he devised this method, he was just your average weekend golfer, shooting
温馨夜读II
Michael通过破坏空调系统使牢区发生骚乱，掩人耳目。趁此机会，他和Sucre来到混凝土墙壁跟前准备凿洞。 [00:07.44]Listen and Share [00:41.42]Michae [00:48.10]Sucre [00:54.39]Let the bulls worry about the noise. [00:56.05]You worry about [00:56.53]how you'r
越狱第一季
What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientists think that a black hole is a region of space (not a thing) i
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Those stars don't feel the black hole. They feel the rest of the stars in the galaxy. They don't know or care that the black hole is there. If you took the black hole away from the galaxy, they would
超大质量黑洞
If, as it now seems, every single galaxy has a black hole at its heart, this can't be a coincidence. Perhaps black holes are an essential part of what galaxies are and how they work. No one had expect
超大质量黑洞
Supermassive Black Holes Muse oh baby dont you know i suffer? oh baby can you hear me moan? you caught me under false pretences how long before you let me go? you set my soul alight you set my soul alight (you set my soul alight) glaciers melting in
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SCIENCE IN THE NEWS - Stephen Hawking and Black Holes / Quantum Theory By Caty Weaver Broadcast: Tuesday, August 17, 2004 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob Dought
科技之光
BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands surface. These cave systems form in carbonate rock, often on islands.
2010年VOA慢速英语(十一)月
New Data Adds to Understanding of 'Black Holes' WASHINGTON Scientists continue to learn more about black holes in space, places where the pull of gravity is so strong that not even light can escape. Black holes occur after supergiant stars explode in
VOA标准英语2016年(九月)
China launches its first X-ray space telescope to observe black holes, pulsars and gamma-ray bursts, via a Long March-4B rocket from Jiuquan Satellite Launch Center in northwest China's Gobi Desert on June 15, 2017. [Photo: thepaper.cn] China launche
2017CRI中国国际广播电台