V originále
Interior of a neutron star consists of various types of matter; namely (from surface towards the centre): iron crust described by Feynman-Metropolis-Teller EoS, neutron rich nuclei described by Baym-Pethick-Sunderland EoS, neutron drip to dissolve nucleidescribed by Baym-Bethe-Pethick EoS, and the very centre of a neutron star described by various types of EoS with kaons, pions and hyperons.