Monster heavy stars found in the early universe.
According to the Q-FFF model: this is supported by the Big Bang String Black Hole Nucleus splitting as the base for the first Herbig Haro systems and monster stars, creating later Monster SuperNovas and galaxies.
see: Stress testing ΛCDM with high-redshift galaxy candidates
Michael Boylan-Kolchin
Nature Astronomy (2023) https://www.nature.com/articles/s41550-023-01937-7
De zes stars found by Credit: NASA, ESA, CSA, I. Labbe (Swinburne University of Technology). Image processing: G. Brammer (Niels Bohr Institute’s Cosmic Dawn Center at the University of Copenhagen)