tempel-tuttle 中文意思是什麼
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The leonid shower occurs each november, when the earth ' s orbit takes it through the trail of particles shed by the comet tempel - tuttle as it swings around the sun once every 33 years
當地球穿過"坦佩爾-塔特爾"彗星尾部稠密的彗星碎片帶時，就會出現流星雨現象。這顆彗星在太陽系外圍軌道運行，它的運行周期是33年。
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