Chinese rocket scientists have modelled the most effective way to nuke a doomsday asteroid, and it is not a blast at the surface: first drill a hole, then bury the bomb about thirty metres down, which their simulations say more than triples the deflection - Space Daily
Source:Space Daily
Burying the bomb deep inside the asteroid, rather than detonating it on impact, could multiply the deflection needed to save Earth—if the theory survives real-world testing.
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