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Dima: Hello, I'm Dima, and today our guest is Richard Firestone, an American scientist in Lawrence Berkeley National Laboratory who has recently been involved in a fascinating research into an unusual 'meteor', that's a piece of rock or other matter

柯灵思英语-英语听力高手36

柯灵思英语-英语听力高手36

2007年VOA慢速英语special200708150045

VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty with EXPLORATIONS in VOA Special English. This week, we tell about a project to identify images of one million galaxies that have been captured by the Sloan Digital Sky Survey. We also tell

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71. Earth in Danger p.488

Seeing is believing. But seeing a huge rock half the size of Earth smash into Jupiter in July 1996 was incredible. Can you imagine what would happen if Earth collided with a huge space rock? It would

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1. President George W Bush is warning against overcorrection--that is countries deal with the world economic crisis. Bush is in Lima to attend his 8th and final meeting of the 21-nation APEC forum. 2. Rocker Travis Barker is suing over a September p

SSS 2008-05-07

This is Scientific American's 60-Second Science,I am Steve Mirsky.Got a minute? Its accepted that a large meteor impact 65 million years ago was responsible for the mass extinction of the dinosaurs. Which opened up niches for birds and mammals. But l

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Meteor Collision With Earth

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科比体系：第二阶段——适者制胜

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the Perseid meteor shower

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Richard Firestone

BBC Learning English People and places Richard Firestone Dima:Hello, I'm Dima, and today our guest is Richard Firestone, an American scientist in Lawrence Berkeley National Laboratory who has recently been involved in a fascinating research into an

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1 ASTRONOMY 天文 astronomy 天文学 astronomical 天文的 astronomical observatory 天文台 astronomer 天文学家 astrophysics 天文物理学 astrology 占星学 pseudoscience 伪科学 cosmos(universe) 宇宙 cosmology 宇宙学 infinite 无限

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万物简史 第223期:把铅撵出去(12)

As always, however, nothing was quite as straightforward as such a breezy description makes it sound. Meteorites are not abundant and meteoritic samples not especially easy to get hold of. Moreover, Brown's measurement technique proved finicky in the

万物简史 第269期:砰!(4)

The story begins in the early 1950s when a bright young geologist named Eugene Shoemaker paid a visit to Meteor Crater in Arizona. 故事始于20世纪50年代之初。当时，有一位名叫尤金苏梅克的年轻有为的地质学家对亚利桑那

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From 20th Century Fox and Blue Sky Studios. Hey, look! Shooting stars! Quick! Make a wish! My wish came true! I'm okay! Mine, too. The defining chapter... Meteor shower! Meteor? Shower? in the greatest chillogy... The mother of ______1_________. But