When the Sun is observed in X-ray or extreme ultraviolet wavelengths, hundreds of bright and compact structures with a rounded shape and sizes similar to that...
Within galaxy variations in the chemical composition are responsible for the fundamental relation
The so-called "fundamental metallicity relation" (FMR) has been known for almost 10 years, and it states that galaxies of the same stellar mass but larger star...
The XXXII Canary Islands Winter School of Astrophysics, organized by the Instituto de Astrofísica de Canarias (IAC), focusses on Galaxy Clusters. The school, to...
Young stars found in the oldest and most massive galaxies in the Universe
Elliptical and lenticular galaxies (collectively called early-type galaxies) are the oldest and most massive galaxies in the Universe. These galaxies were built...
Observations made with the James Webb Space Telescope (JWST) have revealed a larger-than-expected number of massive galaxies when the Universe was still young...