The Perseids occur when Earth runs into pieces of debris floating in the solar system that were left behind by Comet Swift-Tuttle.

塔特尔彗星在太阳系里飞奔时，留下了一路碎片，漂浮在一片区域中，当地球运转进入这片区域时，仙英座流星雨就爆发了。

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Dust from comet Swift-Tuttle is responsible for the Perseids, creating the northern hemisphere's regular summer sky show.

斯威夫特-塔特尔彗星撒下的尘埃形成的英仙座流星雨，为北半球的天空年复一年地带来盛大的夏日流星秀。

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No special equipment was required to watch the shower, which occurs when Earth passes through a stream of dusty debris from the comet Swift-Tuttle.

BBC: Perseid meteor show reaches peak