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The universe is fundamentally off kilter?


But what’s “kilter”:

This idea that, on the grandest scales, the cosmos looks largely the same regardless of position or direction is called the cosmological principle, and it underpins our best theory of how the universe evolved. For cosmologists, it is gospel. But some heretics are now calling the principle into question, pointing to fresh evidence that even at its largest scales, the cosmos is not only lumpy, but fundamentally off-kilter.

Thomas Lewton, “Controversial claim that the universe is skewed could upend cosmology” at New Scientist (April 27, 2022)

Why isn’t “kilter” whatever the universe is?

Why would anyone assume uniformity? It's possible to imagine uniformity in the pure abstract, but every real object from molecules to rocks to cells is asymmetrical when influenced by forces. An atom may be spherical, with charges evenly distributed, but as soon as gravity or static fields or magnetic fields are around, the parts of the atom start to favor one side or the other. polistra
How finely-tuned does the kilter have to be so we know it's off? Seversky
So, bottom line is: a really really big thing we don't know very much about is not what we think we thought it was yesterday. You're welcome for that. Andrew asauber

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