Don't panic. Cosmic voids are actually all around us.
Imagine an especially hole-y block of Swiss cheese, and you have a pretty good visual for the leading theory for the structure of the universe. Voids, vast expanses of nearly empty space, account for about 80 percent of the observable universe. The other stuff, like dust and stars and galaxies like the Milky Way, exists in thread-like filaments between these voids.
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