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physical object > natural object > collection of particles > phase of matter > gas > plasma > degenerate gas
Upplasma

degenerate gas comparison table
Subject has definition has synonym is a kind of
plasmaA completely ionized gas; the so-called fourth state of matter (besides solid, liquid, and gas) in which the temperature is too high for atoms as such to exist and which consists of free electrons and free atomic nuclei. gas
degenerate gasA state of matter found in white dwarfs and other extremely dense objects, in which strong deviations from classical laws of physics occur. As the density increases at a given temperature, the pressure rises more and more rapidly, until it becomes independent of temperature and dependent on density alone. At this point, the gas is said to be degenerate.Fermi gasplasma

Upplasma