Maybe It’s Not Dark Matter, But the Fabric of Space Itself
But what of the fabric of spacetime itself? We can’t observe it. Thanks to the Casimir effect, there is a strong possibility of the existence of what’s been referred to as quantum foam, incredibly small Planck-length virtual particles that pop in and out of existence on an unimaginably short Planck time scale. But this process (if this theory holds) takes place in every cubic millimeter of every cubic megaparsec of the universe. For the purposes of this article, however, the pertinent question must be: is that eternal fizzing of virtual particles constant and equal throughout the universe?
If not, if that quantum foam does exist but is not equal throughout every cubic millimeter of the universe, then that opens up the very real possibility that the fabric of space itself is comprised of different consistencies (or frequency, intensity, or whatever — pick your descriptor) depending on whether it’s within a solar system, or within a galaxy, or within a galactic cluster, or outside any of those. If the consistencies are not equal, then different regions of the universe may well be likened to oil and water, thus leading to a geometry precisely like that described in the Sloan Digital Sky Survey above.
The supposition may also work on the galactic scale, for if that quantum foam is of a different consistency, then the region of spacetime containing that galaxy may itself be rotating with that galaxy, thus explaining the cause of the galaxy rotation problem.
https://glennrocess.medium.com/maybe-its-not-dark-matter-but-the-fabric-of-space-itself-b64648c30372
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