How black holes shape giant galaxies

WRITTEN BY: NORBERT WERNER NASA just published a beautiful collage of images of four giant elliptical galaxies, taken with the Chandra X-ray Observatory, from a study I published together with Aurora and several other collaborators. Giant ellipticals are the largest galaxies in the Universe. They also appear to be very old: most … Continue reading

Episode 6: The cosmic web

WRITTEN BY: AURORA SIMIONESCU AND NORBERT WERNER You’ve probably heard that Archimedes had his “Eureka” moment when he stepped into his bathtub and realized that the water level rose. But did you know that our entire Universe, on the grandest scales, resembles the foam you play with when you are … Continue reading