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菲尔·普莱特:天地大冲撞
2,467,966 views |
Phil Plait |
TEDxBoulder 2011
• September 2011
Read transcript
什么东西宽6英里并能在一瞬间毁灭一切文明? 答案是小行星。而在太空中，小行星的数量可不少。菲尔·普莱特用他的幽默和生动的描绘让TEDxBoulder的观众领略了小行星的杀伤力，并告诉我们应采取哪些必要的措施进行防御。
science
technology
astronomy
space
dinosaurs
TEDx
asteroid
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