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SSS 2008-10-20

时间:2010-05-15 02:48来源:互联网 提供网友:木渐浅。   字体: [ ]
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    (单词翻译:双击或拖选)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute.

 

We humans have always pondered the heavens. Astronomy and physics have come out of our wonder at the points of light in the darkness. Scientists now want to take advantage of that natural nightly gaze. They’re turning to citizen scientists to count stars as a way to measure light pollution.

The project will take place from October 20th to November 3. It’s sponsored by the University Corporation for Atmospheric1 Research. Interested volunteers in the northern hemisphere will search for the constellation2 Cygnus. In the southern hemisphere they’ll be looking for Sagittarius.

Participants can search the skies outside their homes or in a darker area nearby. Scientists use this information to compare visibility around the world. Not surprisingly, last year they found that more developed areas have higher levels of light pollution. But the project has a second goal. The astronomers3 want to remind us all to take a moment to appreciate the beauty and wonder of the night sky. Information about how to participate can be found at the Great Worldwide Star Count website: www.snipurl.com/starcount

 

Thanks for the minute for Scientific American's 60-Second Science. I'm Cynthia Graber
 


点击收听单词发音收听单词发音  

1 atmospheric 6eayR     
adj.大气的,空气的;大气层的;大气所引起的
参考例句:
  • Sea surface temperatures and atmospheric circulation are strongly coupled.海洋表面温度与大气环流是密切相关的。
  • Clouds return radiant energy to the surface primarily via the atmospheric window.云主要通过大气窗区向地表辐射能量。
2 constellation CptzI     
n.星座n.灿烂的一群
参考例句:
  • A constellation is a pattern of stars as seen from the earth. 一个星座只是从地球上看到的某些恒星的一种样子。
  • The Big Dipper is not by itself a constellation. 北斗七星本身不是一个星座。
3 astronomers 569155f16962e086bd7de77deceefcbd     
n.天文学者,天文学家( astronomer的名词复数 )
参考例句:
  • Astronomers can accurately foretell the date,time,and length of future eclipses. 天文学家能精确地预告未来日食月食的日期、时刻和时长。 来自《简明英汉词典》
  • Astronomers used to ask why only Saturn has rings. 天文学家们过去一直感到奇怪,为什么只有土星有光环。 来自《简明英汉词典》
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