Evidence of Galaxy Cluster Rotation Found in Cosmic Microwave Background?

A recent study posted on arXiv on December 12, 2025, by Samuel Goldstein and J. Colin Hill, presents intriguing evidence for the rotation of galaxy clusters imprinted within the Cosmic Microwave Background (CMB). This potential discovery could offer fresh perspectives on the early formation and dynamics of large-scale structures in the universe.

The research meticulously analyzed subtle temperature fluctuations in the CMB, revealing patterns that suggest rotational signatures from specific galaxy clusters. Such findings are not readily explained by current cosmological models and may necessitate a re-evaluation of the physics governing the early universe, potentially opening new avenues for theoretical astrophysics.

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