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分類：自然
集數：2集
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簡介：恐龍曾是地球上的霸主，統治地球時間長達1億六千萬年，然而就是這樣一個帶給人類無限想象力的物種竟然在6500萬年前戲劇般的落幕了。恐龍的這次消失是距離人類最近的一次生物大滅絕，對此一直流傳著星體撞擊地球説、火山爆發説等導致恐龍滅絕的説法。收起
奧秘 恐龍滅絕大調查（上）[走近科學] 20120811
奧秘 恐龍滅絕大調查（下）[走近科學] 20120812
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