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The neutron star crust is separated into outer and inner regions. The outer is a crust of neutron-rich nuclei surrounded by degenerate electrons. The inner is similar, but the nuclei are even more neutron-rich and there are degenerate neutrons too. The (qualitative) answer to your question looks at the ratio of electrostatic (Coulomb) energy to the thermal ...


When the neutron binds gravitationally to the neutron star, it loses a significant fraction of its mass. Not immediately. When things falls they don't gain or lose energy. What really happens is more space is created above them and this makes them look (to people far away) a bit similar to falling. But the people far away don't think they are more ...


I'm going to add another way to break up a neutron star. Shoot antimatter at it. The difficulty with breaking up a neutron stars is that, once they undergo the compression to become Neutron stars, their gravitation tends to keep them there. The minimum size for a Neutron star to form is about 1.2-1.5 solar masses, but once it's shrunk down, the mass it ...


The only likely mechanism by which a neutron star can break up is through a collision with another neutron star, in particular in binary neutron star mergers.


The neutron star is still "regular enough mater" for that it would react to anything a normal object would react. To me the point is more "since its center is not far to collapsing to blackhole, is it possible to shake (or breakup) a neutron star without making it collapse".


Do you mean anything in the real universe or just theoretically? If the latter, then I can think of a few phenomena: Heat: Just heat it up until the thermal velocity at the surface is greater than the escape volcity. Then neutrons will just fly off and it will evaporate (sublimate?). Spin: Wind it up until the tangential velocity at the equator reaches ...

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