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Bubbles, Sheets and Voids

Superclusters of galaxies are arranged in structures that look like sheets or walls, surrounded by voids and filaments in the large-scale structure of the universe. Together, walls, voids, and filaments cause the large-scale structure of the universe to resemble foam bubbles. Sometimes walls, such as one dubbed the Great Wall, are the result of the intersection of several filaments.

Radio Programs

Emptiness Vast “voids” between galaxies July 20, 2015