Leonids: Modest but Still Worth it.
2009年的狮子座流星雨：数量适度但仍值得一观。
The Leonids are minute dust particles shed by Comet Tempel-Tuttle.
狮子座流星是由坦普尔·塔特尔彗星释放的微小尘粒构成。
The best way to view the Leonids is to face the darkest part of the sky, away from the moon and the constellation of Leo.
朝天空中远离月亮和狮子座最黑的地方看，是今夜观察狮子座流星雨的最好办法。
The meteors are called Leonids because they appear to come from the same direction as that of the constellation Leo the Lion.
这些流星之所以被冠之以“狮子座”的名称，那是因为它们好像与狮子星座来自同一方向。
Like other meteor showers, such as the Perseids and the Orionids, the Leonids happen when Earth plows through a trail of debris left in the wake of a comet orbiting the sun.
类似于英仙座流星雨，猎户座流星雨以及其他流星雨，狮子座流星雨发生于地球在绕太阳公转过程中进入充满彗星碎片的流星体质点溪流之中。
In this paper are analyzed parts of Chinese visual data of 1998 Leonids.
本文分析了1998年狮子座流星雨的一部分中国目视资料。
The color of many Leonids is like the color of our sodium discharge lamps.
多数狮子座流星雨的颜色就像钠灯发出光的颜色。
The meteors are called Leonids because they appear to come from the direction of the constellation Leo.
这些流星之所以被命名为“狮子座流星”，是因为它们是从狮子星座的方向飞来的。
The Leonids are so named because they seem to radiate from the constellation Leo, the lion, which rises above the northeastern horizon between 1 a.m. and 3 a.m., depending on your location.
狮子座流星群的得名是由于它们流星辐射点位于狮子座。根据你所处的地理位置，狮子座一般会在凌晨1点到3点左右出现在地平线上的东北方向。
With the highest number of meteors streaking across the skies around 4:45 p.m. Et on November 17, the full Leonids peak will be effectively invisible for viewers in North America and Europe.
在11月17日下午4点45分左右流星群在天空滑过的数量将达到峰值，但这完美的流星雨景观将与北美和欧洲的观测者们无缘相见。
With the highest number of meteors streaking across the skies around 4:45 p. m. ET on November 17, the full Leonids peak will be effectively invisible for viewers in North America and Europe.
在11月17日下午4点45分左右流星群在天空滑过的数量将达到峰值，但这完美的流星雨景观将与北美和欧洲的观测者们无缘相见。
With the highest number of meteors streaking across the skies around 4:45 p. m. ET on November 17, the full Leonids peak will be effectively invisible for viewers in North America and Europe.
在11月17日下午4点45分左右流星群在天空滑过的数量将达到峰值，但这完美的流星雨景观将与北美和欧洲的观测者们无缘相见。
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