恐龙博物馆中的英仙座流星雨

这些恐龙正在紧张地望着每年一度的英仙座流星雨,照片拍摄于中国内蒙古自治区二连浩特恐龙博物馆。以恐龙城著称的二连浩特在20世纪20年代因发现恐龙化石而受到关注。据信，在大约7000万年前的白垩纪时期，有20多种恐龙生活在这一地区。英仙座流星雨是一年中最明亮的流星雨之一，每年7月17日至8月24日之间出现。今年的流星灯光秀将在8月12日晚达到高潮。和大多数可预测的流星雨一样，它发生在地球轨道与数百万颗围绕太阳运行的彗星之一的长椭圆轨道相交的时候(在本例中为斯威夫特-塔特尔彗星)。它被称为英仙座流星雨，因为大部分流星似乎来自英仙座。

These dinosaurs are (nervously?) looking at the annual Perseid meteor shower, photographed at the Dinosaur Museum of Erenhot in the Inner Mongolia Autonomous Region of China. Known as Dinosaur City, Erenhot gained attention in the 1920s when dino fossils were found there. It's believed that more than 20 kinds of dinosaurs lived in the area during the Cretaceous Period around 70 million years ago.One of the brighter meteor showers of the year, the Perseids occur every year between July 17 and August 24. This year, the light show will peak on the night of August 12. Like most predictable meteor showers, it occurs when Earth's orbit intersects with the long elliptical path of one of the millions of comets that orbit the sun (in this case, Comet Swift-Tuttle). It's called the Perseid meteor shower because the bulk of the meteors will appear to originate out of the constellation Perseus.

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