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Sad-Platypus t1_ivng5n9 wrote

Reply to comment by thr33pwood in Bizarre star may have a solid surface, according to X-ray observations. Astronomers have now spotted a super strange one that seems to have a solid surface. Its intense magnetic field is strong enough to overcome its blistering temperatures and “freeze” its outer layers into a solid crust. by MistWeaver80

I too am not an astrophysicist so we are two both talking out of our depths. But, some other things to think about.

Would it have a lot of potential energy? Maybe in the sense of a phase change (water - steam 100X volume increase) so 1 ml might expand to 1GL in that sense of explosion.

It is my understanding that while the gravity is keeping it all together, most of the "energy" is consumed in the crush when electrons and protons are merged from all the atoms to form the neutron soup. So once that has happened would they spontaneously go back to being atoms if the gravity was removed?

Neutrons are neutral charge, so no electromagnetic forces would try to push the particles apart. Instead, strong nuclear force might keep it all together even without all the gravity.

Free Neutrons are unstable and decay to hydrogen with a half life of 10 min

If I were a betting man, I would think it would be "stable" in the sense that it wouldn't explode itself, but would be highly radioactive in weird radioactive ways we've never seen.

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