| http://www.w3.org/ns/prov#value | - un-urged-to-coordinate-killer-asteroid-defences.htmlThis is an 2008 article, discussing how the UN has been urged to coordinate various countries' defenses against an incoming killer asteroid.http://news.sky.com/skynews/Home/Sky-News-Archive/Article/20080641282269/This is also an older but interesting article, DEEP IMPACT: RACE TO TAG KILLER ASTEROIDSo which defensive strategy against an incoming
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