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Strange matter: A type of quark matter that may exist inside some neutron stars close to the Tolman–Oppenheimer–Volkoff limit (approximately 2–3 solar masses). May be stable at lower energy states once formed. Quark matter: Hypothetical phases of matter whose degrees of freedom include quarks and gluons Color-glass condensate
In regular cold matter, quarks, fundamental particles of nuclear matter, are confined by the strong force into hadrons that consist of 2–4 quarks, such as protons and neutrons. Quark matter or quantum chromodynamical (QCD) matter is a group of phases where the strong force is overcome and quarks are deconfined and free to move.
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
A definition of "matter" based on its physical and chemical structure is: matter is made up of atoms. [17] Such atomic matter is also sometimes termed ordinary matter. As an example, deoxyribonucleic acid molecules (DNA) are matter under this definition because they are made of atoms.
Einstein subsequently identified matter as ultimately composed of various concentrations of energy. [ 1 ] [ 3 ] Subatomic constituents of the atom were first identified toward the end of the 19th century , beginning with the electron , followed by the proton in 1919, the photon in the 1920s, and the neutron in 1932. [ 1 ]
Sabrina the Teenage Witch stars Caroline Rhea and Beth Broderick are reunited in Holiday Mismatch, which premieres this Sunday, Nov. 3 on Hallmark Channel and streaming on Peacock. Watch 'Holiday ...
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