Whatis void?

"We become aware of the void as we fill it." ― Antonio Porchia

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Cosmic voids
"A million miles from nowhere, is better than going nowhere, a million times."

"Don't ask too much for space. They grow into voids." ― Karishma Magvan Cosmic voids are vast spaces between filaments (the largest-scale structures in the Universe), which contain very few or no galaxies. Voids typically have a diameter of 10 to 100 megaparsecs; particularly large voids, defined by the absence of rich superclusters, are sometimes called supervoids. They have less than one-tenth of the average density of matter abundance that is considered typical for the observable Universe. They were first discovered in 1978 in a pioneering study by Stephen Gregory and Laird A. Thompson at the Kitt Peak National Observatory. Voids are believed to have been formed by baryon acoustic oscillations in the Big Bang, collapses of mass followed by implosions of the compressed baryonic matter. Starting from initially small anisotropies from quantum fluctuations in the early Universe, the anisotropies grew larger in scale over time. Regions of higher density collapsed more rapidly under gravity, eventually resulting in the large-scale, foam-like structure or "cosmic web" of voids and galaxy filaments seen today. Voids located in high-density environments are smaller than voids situated in low-density spaces of the universe.[2] Voids appear to correlate with the observed temperature of the cosmic microwave background (CMB) because of the Sachs–Wolfe effect. Colder regions correlate with voids and hotter regions correlate with filaments because of gravitational redshifting. As the Sachs–Wolfe effect is only significant if the Universe is dominated by radiation or dark energy, the existence of voids is significant in providing physical evidence for dark energy.[3] "Creation has become so broad, there is no emptiness. Everything swarms and seethes. The void has destroyed itself; creation is its wound, we are its drops of blood, the world is the grave in which it rots." ― Georg Büchner, Dantons Tod The structure of our Universe can be broken down into components that can help describe the characteristics of individual regions of the cosmos. These are the main structural components of the cosmic web.Clusters – highly concentrated zones where walls meet and intersect, adding to the effective size of the local wall. Filaments – the branching arms of walls that can stretch for tens of megaparsecs. Voids have a mean density less than a tenth of the average density of the universe. This serves as a working definition even though there is no single agreed-upon definition of what constitutes a void. The matter density value used for describing the cosmic mean density is usually based on a ratio of the number of galaxies per unit volume rather than the total mass of the matter contained in a unit volume. The situation on Earth today is too dire for us to act from habit—to reenact again and again the same kinds of solutions that brought us to our present extremity. Where does the wisdom to act in entirely new ways come from? It comes from nowhere, from the void; it comes from inaction. When we see it, we realize it was right in front of us all along. It is never far away; yet at the same time it is in a different universe—a different Story of the World." ― Charles Eisenstein, The More Beautiful World Our Hearts Know Is Possible