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\subsection{The Universe's spacetime field}  The particles walking across the universe are structures like coupling of chains of intrisic quantum oscillators, that belong to the basic field $\Xi$. $\Xi$.\\   The birth of massive particles in the scalar field $\Xi$ of the object-universe or the bird of $\underline{\Xi}_i$-lattices means that the universe can be expressed by $\Xi$ or by $\underline{\Xi}$.\\   The field that represents the universe as a spacetime object, that we call \emph{universe's spacetime field}, is generically denoted by $\underline{\underline{\Xi}} \equiv (\Xi, \underline{\Xi})$.\\   But we must not believe that $\Xi$ is a sort of elastic \emph{ether} pervading an absolute space: we remember that this has been refuted by the theory of relativity, because it is itself the spacetime.\\   Remembering that coupling massive introduces a local FR $\Sigma_0$ with a \emph{motion} in the proper time $\omega_0$ and the birth of a \emph{spatial dimension} $\not \lambda_0$, then we can consider the universe as set $\Sigma_U$ of the local reference frames $\Sigma_0$, associated with massive particles.\\   For every set of particles, we are able to build a whole FR with a its proper time $\tau_c$ and a its proper space $\not \lambda_c$, that are properties of the FR itself. Now, we can build a whole FR for every galaxy and extend it to the whole universe. The FR of the universe coincides with the comovent FR [4], with a proper cosmic time, that is the age of the universe.\\   At the other hand to every set of identical particles with mass mi we can connect a lattice of IQuO’s chains (with a further coupling to the structure of $\Xi$), that we call $U_i$, with spatial rate $\not \lambda_i$ and time rate $\tau_i$ given by: