Guodong Li

A team of scientists used light from carbon ions in a distant galaxy to determine the rotation speed of gas around the central object. A sharp acceleration of the gas toward the center pointed to a black hole with a mass of about 6.3 billion Suns. This is the first dynamical weighing of a black hole

The Webb telescope spotted a multitude of tiny red galaxies in the early Universe. They were confused with dazzlingly bright galaxies where a black hole heats dust like a blast furnace. Though their color 'portraits' are similar, the red dots have cooler dust—meaning their 'engines' run more modestl