From Sabine Hossenfelder.

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The James Webb telescope has detected a series of black holes with features that are only compatible with black holes that formed much faster than should be possible. This discovery is supposedly a “paradigm change” for cosmology, that “upends all theories” and “changes everything.” Are those claims actually true? Let’s take a look.

Paper: https://arxiv.org/abs/2508.21748

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#science #sciencenews #physics #space