Dossier
galaxy cluster
Coverage of galaxy cluster in the Nexus archive.
- "Little red dot" in early Universe is a naked supermassive black hole
The James Webb Space Telescope discovered a 'little red dot' in the early Universe, confirmed as a supermassive black hole with minimal surrounding galaxy. Gravitational lensing magnified Abell 2744−QSO1, revealing it as it appeared 700 million years after the Big Bang.
- Black hole wakes after 100 million years and erupts like a cosmic volcano
A supermassive black hole in galaxy J1007+3540 has erupted after 100 million years of dormancy, sending jets into a galaxy cluster. The event, captured by astronomers, created a chaotic structure stretching nearly a million light-years.