JWST found an object in the early universe whose dense hydrogen cocoon made it look eerily like an enormous star — until astronomers realized it was radiating roughly 100 billion times the Sun’s luminosity, with a growing black hole hidden inside.

MoM-BH*-1's extreme Balmer break shows how dense hydrogen can reprocess an accreting black hole's light into a spectrum with the outward appearance of an enormous star. The post JWST found an object in the early universe whose dense hydroge…

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1. SpaceDaily 21 Aug
   JWST found an object in the early universe whose dense hydrogen cocoon made it look eerily like an enormous star — until astronomers realized it was radiating roughly 100 billion times the Sun’s luminosity, with a growing black hole hidden inside. ↗