"It will come closer than the moon [..] discovered on 28/2" http://www.universetoday.com/109997/watch-the-close-pass-of-neo-asteroid-2014-dx110-wednesday-night/ … time for an "acceptable" distance/warning time index?
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"It will come closer than the moon [..] discovered on 28/2" http://www.universetoday.com/109997/watch-the-close-pass-of-neo-asteroid-2014-dx110-wednesday-night/ … time for an "acceptable" distance/warning time index?