Webb Telescope Discovers Mysterious ‘Little Red Dots’ at Cosmic Dawn – Debrief
One of the surprising discoveries of the Webb telescope is an early population of compact red galaxies at redshifts above 7, a time when the universe was 20 times younger than it is today. The galaxies are redder than expected based on their cosmological redshift, suggesting additional reddening by a layer of dust. Some of … Read more