Space Has Invisible Walls Created by Mysterious 'Symmetrons,' Scientists Propose
Scientists invoke “new physics” to explain the weirdly synced-up “satellites” observed around the Milky Way and other nearby galaxies.
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Scientists have proposed the existence of a new “fifth force” to explain a perplexing challenge to the standard model of cosmology, also known as the Lambda cold dark matter (ΛCDM) model, a well-corroborated framework for understanding our universe, reports a new preprint study.
This fifth force, mediated by a hypothetical new particle called a symmetron, could guide small “satellite” galaxies into strange orbits around larger galaxies that defy the predictions of the ΛCDM model. In other words, small galaxies captured by the gravitational pull of larger galaxies end up arranged in thin flat planes, or disks, almost like the rings of Saturn......