SED Fitting: How Astronomers Understand Galaxies Across Time
When studying distant galaxies, SED fitting is one tool to rule them all. But how can we learn the detailed history of entire galaxies from just a few snapshots?
Feed the Fire, Fade the Metals
Are cosmic clumps “homegrown”, or fueled by fresh inflow? Today’s authors find that star-forming clumps are usually more metal-poor than the disks around them.
A Potential New Piece of the “Little Red Dot” Puzzle
Today’s paper presents an intriguing new object, which may be a early-Universe supermassive black hole shedding its gas cocoon!
Back for Seconds: Evidence of Two Bursts of Star Formation in an Ultra-Faint Dwarf Galaxy
Reticulum II? More like Reticulum TWO distinct periods of star formation! Or at least that’s what new spectroscopic observations incdicate.
The Oldest Starlight
What if some of JWST’s most extreme high-redshift galaxy candidates aren’t galaxies at all, but the explosive deaths of the very first stars?
Meet the AAS Keynote Speakers: Dr Tonima Tasnim Ananna
Today we interview Dr. Tonima Tasnim Ananna, who is a professor at Wayne State University and one of this year’s #AAS247 Plenary speakers!