Fw:Thinking

Planetary Defense!

In 2013 a meteor exploded over Chelyabinsk, Russia with the force of 20 nuclear bombs. The scariest part? We had no idea it was coming. In this episode we look at ways to defend Earth against potentially hazardous objects from space. From gravity tractors to solar sails, we look at ways to avert the apocalypse.


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Fw:Thinking: Home Movies


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