Repurposed communications satellites could help save humanity from an asteroid impact

Large satellites used for TV broadcasting could be quickly and easily repurposed as asteroid deflectors if a space rock were to threaten Earth, according to a study by the European aerospace company Airbus. 

The study, part of a mission concept called Fast Kinetic Deflection (FastKD), was commissioned by the European Space Agency (ESA), as part of its effort to prepare for an apocalyptic scenario that will certainly happen one day (even though that day might be in a very distant future).



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