In the large-scale simulation running on supercomputer, it is impossible to determine the nuclear matter in neutron star, but in recent years, the appearance of two observations of neutron star in Astrophysics has brought new possibilities. The confirmation of quark nucleus gives us a glimpse of the golden age of gravitational waves ahead, but when such a project appears, it always fails to solve a basic problem: why do we spend human and material resources to do these "ethereal" researches? Maybe it's just this sentence - it's an important step forward for us to really understand the universe.
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The researchers explained that all ordinary matter around us is made up of atoms, and the dense atomic nucleus is made up of protons, neutrons and electrons surrounding them. But inside the neutron star, the atoms will collapse into extremely dense nuclear matter, in which neutrons and protons are closely "nestled" together, so the whole neutron star can be regarded as a huge nucleus. Until now, scientists had not known whether the matter in the core of the neutron star with the largest mass would collapse into a more peculiar quark matter.
