Matter
The matter is compouned from electrons, negative charge particles, from protons, positive charge particles equal in absolute value to the one of the electron, and from neutrons, null charge particles.
The matter of the Universe has been created at the same time of the antimatter. This last one has disappeared during the quasi destruction of the matter.
The planets, stars, galaxies, super galaxy clusters, the Universe as we know it, are constituted per the residual matter
See atom, antimatter, Big Bang
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