Earth Defense VS Space Invaders/Rocks/Meteors, etc.

[nusm1991]

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Unfortunately, missile defenses are unlikely to be effective against a meteor. Meteors do damage through kinetic energy that is released on impact. Which means that even if the missile was able to intercept the meteor, it would only break up the meteor into multiple fragments with nearly combined destructive force. Missile defenses are designed against incoming warheads, since warhead can't release their energy when broken.

Deflection is right now our best bet against meteors. Asteroid impact avoidance - Wikipedia, the free encyclopedia

If meteor impact is imminent, I'd assume the world governments would start implementing Assurance contracts to fund a defense system of some sort.

Assurance contract - Wikipedia, the free encyclopedia

Yes, missile defenses could only create more casualties. The best solution perhaps, is to send a spacecraft that would rendezvous with the asteroid or meteor and change its trajectory so that it won't hit the Earth.

[gareb]

some suggestions from Phil Plait of Bad Astronomy.

[Toro]

I just hope that we dont die due to a meteor