The effect of a Nuclear Blast on Planetary Magnetism

AI Thread Summary
Research on the effects of nuclear blasts on planetary magnetism is limited, with no significant studies identified in the discussion. It is suggested that a nuclear explosion would likely not cause permanent damage to the Earth's magnetosphere, which is primarily influenced by the dynamo effect in the outer core. However, the potential for temporary disturbances exists, similar to the effects of large solar flares. The conversation highlights the need for more research in this area to understand any possible impacts fully. Overall, while nuclear blasts may have some influence, they are unlikely to significantly alter the Earth's magnetic field.
Socrates271
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Has anyone ever come across any research or articles concerning the effects of the initial blast and fallout of an nuclear weapon and its effects on surrounding magnetism?

Theories are welcome too, but research is preferred.
 
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Welcome to PF, Socrates. I have not seen any such research, but I'd imagine that a nuclear blast couldn't do much permanent damage to the magnetosphere, considering it is the result of the dynamo effect that takes place in the safety of the Earth's outer core (about as good a bomb shelter you can get). That's not to say it couldn't affect it at all, though. Large bursts of energy (solar flares, etc.) are very capable of "denting" our magnetic field.
 
Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

So here is the motional EMF formula. Now I understand the standard Faraday paradox that an axis symmetric field source (like a speaker motor ring magnet) has a magnetic field that is frame invariant under rotation around axis of symmetry. The field is static whether you rotate the magnet or not. So far so good. What puzzles me is this , there is a term average magnetic flux or "azimuthal mean" , this term describes the average magnetic field through the area swept by the rotating Faraday...
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