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phase of matter comparison table

Subject	has definition	is part of
gas	The gaseous component of a galaxy, includes nebula	disk
liquid	a high density cohesive collection of particle which move relative to one another and which has short range order
solid	a high density collection of particle which do not move relative to one another (except for thermal oscillations)
ylem	Primordial state of matter - neutrons and their decay products (protons and electrons) - before the Big Bang. The term was taken from Aristotle and used for the α-β-γ theory.

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