银河系

SSS 2008-07-17

This is Scientific American's 60-Second Science,I'm Steve Mirsky,got a minute? Our Milky Way galaxy produces only about 10 new stars annually. But a galaxy far, far away is experiencing a major baby boom. Its pumping out up to 4,000 new stars a year,

发表于:2019-01-08 / 阅读(47) / 评论(0)

Scientific American(七)月

SSS 2008-03-10

This is Scientific Americans 60-Second Science. I'm Steve Mirsky. Got a minute? Astronomers have discovered a star thats running away from home. The star is speeding away at a blistering 2.6 million kilometers an hour, apparently after being cast out

发表于:2019-01-08 / 阅读(57) / 评论(0)

Scientific American(三)月

Scientists Plan to Make 3-D Map of the Milky Way 科学家计划制作银河系的3d地图

Scientists Plan to Make 3-D Map of the Milky Way 科学家计划制作银河系的3d地图 From VOA Learning English, this is Science in the News. Im June Simms. And Im Jim Tedder. Today on the program, we tell about developments in space exploration

发表于:2019-01-12 / 阅读(35) / 评论(0)

2014年VOA慢速英语(三)月

英语听力：自然百科穿越银河系的旅行 Through Milky Way—1

We live amongst 200 billion stars, in the Milky Way galaxy, a vast cosmic city. The earth is located in a quiet neighborhood, in a safe neck of the woods. But what if we could take our planets on a journey through the galaxy? What wonders would be se

发表于:2019-01-22 / 阅读(37) / 评论(0)

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—2

It's really a wonderful time to be an astronomer, especially in studies of Milk Way. Were undergoing something for revolution. In fact, we can take you places. They're really quite remarkable. We are about to embark on an amazing journey. We'll take

发表于:2019-01-22 / 阅读(37) / 评论(0)

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—3

Now, of course, I can't show you a picture of the galaxy on our screen. We can't fly above the galaxy and take a picture of it, and show you. We're stuck in the disc of the galaxy, but we can still image it from the ground, in fact, this image is a p

发表于:2019-01-22 / 阅读(43) / 评论(0)

自然百科2011年

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