posted on 02/23/2013 10:03:02 AM PST
Given sufficient warning and time, a gravitational tractor could deflect the path of an asteroid known to be on a collision course enough to miss planet Earth.
Given enough time we can move planets.
posted on 02/23/2013 8:59:02 PM PST
(The US has become a government with a country, rather than a country with a government.)
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