The curious case of the dwarf galaxy Pegasus W
A newly discovered local galaxy re-ignites debate about the role that reionisation plays in quenching ultra-faint dwarf galaxies!
Three roads diverge in a galaxy’s future, and the chosen one is almost entirely random!
Today’s paper uses simulations to understand how the Milky Way’s stellar halo formed, and also asks: what determines the evolutionary pathway taken by a galaxy over cosmic time?
Meet the AAS Keynote Speakers: Prof. Héctor Arce
Interested in the legacy and future of the Arecibo Observatory? Find out more at Dr. Arce’s #AAS240 plenary lecture on Monday, 13th June!
Twinkle, twinkle, highest redshift star; how we wonder what you are!
What do mythology, Tolkien, and astrophysics have in common?
Weighing scales for galaxy groups: Dynamical mass of the Centaurus A system
Today’s authors use orbital measurements to dynamically “weigh” a group of galaxies. Read on to learn about this method and how the Centaurus A group may be missing some matter!