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Сײ ר:֮3.1
 



  ڣ2012522   »        ༭¼룺ɳ


Сǡ2012 DA142½ӹ򣬽ͬǹȦ


ɳ(LaSagra)̨ѧҳƣһ·ֵСǡ2012 DA14Ž2013215սӽ򣬿ƫײϵͬͨѶǡ

ѧҳƣСֱ45.7ף14֡(NASA)ʾСײϵĻǡ֮3.1ײײԼ൱240TNTıըƽӢɭֽΪƽء

ĿǰСǵȷйƣͨԶ۲⣬СǻֻһģС㡱пھ2.1Ӣ(Լ33796)ԶײϵͬǣʿռվܵӰ졣

ְλڼ(Pasadena)ƽʵ(Jet Propulsion Laboratory)ѧǴ˹(Paul Chodas)˵dzײϣDzųֿԡ

Ǵ˹˵2012 DA14ĹĿǰĹ˼˵ܿ򡣡

ֽͼ20132ǰȡСǽʱλáǽӽ̶ȵȸͼ

СײϣѧΪײϼ޻ϱ

ָ14ʯġըսײ˿ڳܵĵشʧ

 


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