Lonely quasars in the early universe cannot be explained
Deep in the cosmos, quasars shine brightly. Their luminescent cores showcase the activity of supermassive black holes at the heart of a galaxy. Tracking quasars back to the early days of the universe, several hundred million years after the Big Bang, a cosmic conundrum emerges. How did these luminous and massive quasars come to be? Outshining entire galaxies Quasars, short for "quasi-stellar objects," are incredibly bright and energetic regions found at the centers of some distant galaxies. They are powered by supermassive black holes that actively consume surrounding material. As this material (often gas and dust) spirals into the black hole, it heats...
Inside-Out Galaxy Found In Deep Space
Galaxies in our area of the universe generally have a less dense core, with a disc-shaped spiral pattern as their main pattern. Objects in the galaxies’ system spiral out, away from the dense core, collecting matter as they go. A new discovery from the James Webb Space Telescope (JWST) has confirmed a widely held suspicion that older galactic systems are inside-out galaxies.