Galaxy cosmic| Astronomy on Instagram: "Inside a neutron star lies matter in its most extreme and exotic form. The outer crust contains atomic nuclei and free electrons, but deeper in, the pressure becomes so immense that electrons are forced into protons, forming neutrons—creating a sea of tightly packed neutrons. At the core, things get even stranger: scientists believe there may be superfluid neutrons, hyperons (particles containing strange quarks), or even quark-gluon plasma—a state where ne