Space-launched missiles are the best protection from asteroids, astronomer says – CNET

Deflecting asteroids could be a job best done off planet.
NASA/JPL-Caltech
An Italian astronomer says the best defense against potential killer asteroids from space is solid offense, also based in space.
The notion of protecting the planet from menacing space rocks by blasting them with missiles is an old trope of science and disaster fiction, but Claudio Maccone has been arguing for decades now that where those missiles are launched from matters.
Maccone, both an astronomer and a mathematician,…

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