Now You See Them, Now You Don’t – How to Find Distant Galaxies
A look at a classic paper exploring a novel technique to select distant galaxies by waiting for them to drop out of the spectra…
Cosmic reionization: Who is to blame?
What caused the universe to shift from neutral to ionized as it expanded and cooled? Today, we examine clues that indicate it could have been the result of rapid star formation from the earliest galaxies.
The Darkest Galaxies
Astronomers have recently discovered a number of galaxies made almost entirely of dark matter. Today’s astrobite takes a closer look at one of them.
New Recipe for Making Nuclear Star Clusters
Dense star clusters gather around the centers of most galaxies. Where do they come from?
A Trio of Supernova Fossils
In the Triangulum Galaxy, over the course of a hundred thousand years, three supernova exploded from the same star cluster. The remains of these explosions have expanded into a trio of giant bubbles nested within each other.
Reviewing Fantastic Beasts: AGN Feedback in Galaxies and Clusters
The author revisits a seminal article that reviews our understanding of AGN feedback, and comes out extremely impressed with the status quo (and the parallels with fictional universes).