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星目探宇

科普知识大合集

Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images Images
2013年车里雅宾斯克流星表明,近地天体(NEO)存在严重的不确定性。尽管危险小行星的撞击率相对较低,但此类事件的后果是严重的。阿波罗宇航员拉斯蒂·施韦卡特将谈论我们避免与恐龙相同命运的前景。 他将审查全球保护地球生命免受大规模小行星撞击破坏的努力的现状。他还将讨论防止未来小行星撞击挑战的技术和地缘政治组成部分。
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