Supermassive black hole QSO1 likely older than its galaxy (heise.de)

• First direct mass measurement of a black hole within the first billion years after the Big Bang
• Black hole comprises two-thirds of the galaxy's mass
• Gas composition nearly pure hydrogen and helium

"Using the James Webb Space Telescope, researchers have discovered a supermassive black hole that appears to have formed before its host galaxy. The analysis of Abell2744-QSO1 shows the black hole comprises two-thirds of the galaxy's mass, and the gas is almost exclusively hydrogen and helium. The finding challenges current black hole formation theories."