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What would you do to take out a giant asteroid?
According to NASA, if a giant asteroid were on a collision course with Earth, we'd all be pretty much done.
The agency just completed a weeklong simulation looking at various scenarios - and concluded that we wouldn't be able to stop an asteroid using current technology - even with six months of advance notice.
Evacuating the impact area would be our only option - and NASA says governments are "dreadfully unprepared" for such a scenario.
However, the agency is working on new technology called DART - Double Asteroid Redirection Test - that could potentially redirect an asteroid's orbit to prevent a threat to Earth.
Source: Independent