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Whack 'em or nuke 'em: How to deflect a killer asteroid

20 Nov 2019, 14:00 UTC
Whack 'em or nuke 'em: How to deflect a killer asteroid NASA

A new paper just published by scientists from various NASA and the National Nuclear Security Administration labs looks at the best way to prevent an impact from an asteroid headed toward Earth.

Their conclusion: Above a certain size, roughly 300 meters across or so, the best thing to do is nuke it. Seriously! But not for the reason you think.

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