Neutron Stars In a type II supernova the shock wave does not start at the very center of the collapsing core. After the explosion, the inner ball of neutrons is all that is left. This core remnant is a neutron star.
https://www.powershow.com/view4/748f80-NmE5Z/Neutron_Stars_In_a_type_II_supernova_the_shock_wave_does_not_start_at_the_very_center_of_the_collapsing_core_After_the_explosion_the_inner_ball_of_neutrons_is_all_that_is_left_This_core_remnant_is_a_neutron_star_powerpoint_ppt_presentation
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