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所屬欄目：科學世界
所屬頻道：CCTV-10科教
年份：2010
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簡介：最近堪薩斯大學的研究人員們發現，地球物種的大規模滅絕的週期與太陽系偏離銀河系中心的週期有著近乎完美的巧合，在這些週期間，其中包括一些從化石記錄上可以發現的大規模物種滅絕時期，地球上都對應的遭受了高強度的宇宙射線。研究人員稱，這種宇宙射線或許能通過引起氣候變化或基因突變等方式導致物種大滅絕。收起
地球上的滅絕事件--連鎖反應
地球上的滅絕事件--太空劫難
地球上的滅絕事件--恐龍末日
地球上的滅絕事件--致命火山
地球上的滅絕事件--死之射線
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