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Episode 645: How To Stop An Asteroid : Planet Money Some smart people say we should be doing more to protect the earth from asteroids. The technical issues are relatively easy. The economics — figuring out who's going to pay — are much harder.

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Episode 645: How To Stop An Asteroid

Episode 645: How To Stop An Asteroid

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Moon and Earth

NASA

Some smart people say we should be doing more to protect the Earth from asteroids. The technical issues are relatively easy. The economics — figuring out who's going to pay — are much harder.

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Planet MoneyPlanet Money

The Economy Explained