The Bullet Cluster – A Smoking Gun for Dark Matter!
A classic paper on dark matter is brought to ‘light’ in this bite, discussing a discovery that provides one of the best evidences we have for non-baryonic matter in the universe.
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.
The Great Wall (of Galaxies, in Sloan)
The largest structures of the universe lie within.
A Sonic Boom (Half) as Old as Time Itself
That’s quite a sonic boom, particularly given that the speed of sound in the hot plasma is around 2 million miles per hour!
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).
Galaxy Clusters, Cosmology, and Beethoven’s No. 6
This article explores the utility of galaxy clusters as a probe for precision cosmology, by reviewing some of the seminal literature in the field. Somewhere along the way, a symphony is heard.