How do astronomers know this is the oldest and most distant black hole?
Back to list of articles Light from UHZ1 has traveled 13.2 billion light-years – a longer travel time than any other known black hole. This composite image shows the galaxy cluster Abell 2744 as seen by JWST and the Chandra X-ray Observatory. Superimposed on the infrared image of the galaxies is a purple “haze” created