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astrobites.bsky.social
Astrobites
@astrobites.bsky.social
Digestible summaries of the latest astronomy research. Written by an international team of grad students for undergrads! Supported by the @AAS_Office. #scicomm
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From Nathalie Korhonen Cuestas: Have we just discovered the first direct evidence of a runaway supermassive black hole? ⚛️🔭☄🧪
astrobites.org/2026/01/20/r...
It’s a bird! It’s a plane! It’s a runaway supermassive black hole!
Have we just discovered the first direct evidence of a runaway supermassive black hole?
astrobites.org
January 22, 2026 at 12:39 AM
From Abbé Whitford @abbew25.bsky.social : In today’s bite, we talk about how one can efficiently measure bubbles of ionized gas that signal the epoch of reionization (EoR). ⚛️🔭☄🧪
astrobites.org/2026/01/19/r...
Studying bubbles from the early Universe: an efficient matched filter approach
In today's bite, we talk about how one can efficiently measure bubbles of ionized gas that signal the epoch of reionization (EoR).
astrobites.org
January 20, 2026 at 9:01 PM
Reposted by Astrobites
Kasper Zoellner reports for @astrobites.bsky.social on whether the low-density planets that keep popping up in our growing collection of exoplanets are really the water worlds that we imagine them to be. aasnova.org/2026/01/20/a... 🔭
Are Water Worlds Just Made of Soot?
Astrobites reports on whether the low-density planets that keep popping up in our growing collection of exoplanets are really the water worlds that we imagine them to be.
aasnova.org
January 20, 2026 at 5:11 PM
From Veronika Dornan @dornanv.bsky.social : Reticulum II? More like Reticulum TWO distinct periods of star formation! Or at least that’s what new spectroscopic observations indicate. ⚛️🔭☄🧪
astrobites.org/2026/01/17/r...
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.
astrobites.org
January 19, 2026 at 9:37 PM
From Lucie Rowland: 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? ⚛️🔭☄🧪
astrobites.org/2026/01/16/t...
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?
astrobites.org
January 19, 2026 at 11:17 AM
From Sandy Chiu: Massive galaxies all seem to end up quiet and quenched—but the physics inside them can look wildly different. Explore how AGN-driven cosmic rays reshape galaxies from the inside out, changing local conditions without altering their ultimate fate. ⚛️🔭☄🧪
astrobites.org/2026/01/15/c...
Global Calm, Local Chaos: How AGN-Driven Cosmic Rays Reshape Galaxies from the Inside
Massive galaxies all seem to end up quiet and quenched—but the physics inside them can look wildly different. This story explores how AGN-driven cosmic rays reshape galaxies from the inside out, chang...
astrobites.org
January 18, 2026 at 10:59 PM
From Mckenzie Ferrari: Some type Ia supernovae involve a companion star that somehow survives the energetic explosion. What can we learn from these companions? ⚛️🔭☄🧪
astrobites.org/2026/01/13/s...
I Survived a Type Ia, and All I Got Was This Kick Velocity
Some type Ia supernovae involve a companion star that somehow survives the energetic explosion. What can we learn from these companions?
astrobites.org
January 13, 2026 at 10:59 PM
Reposted by Astrobites
Ansh Gupta reports for @astrobites.bsky.social on how astronomers got a closer view of the distant and mysterious little red dots. aasnova.org/2026/01/13/a... 🔭
A Black Hole Egg That Forgot to Hatch
Astrobites reports on how astronomers got a closer view of the distant and mysterious little red dots.
aasnova.org
January 13, 2026 at 5:29 PM
From Will Golay: Low frequencies can reveal magnetic structures in the lowest mass stars and may even be the key to the first direct radio detection of an exoplanet. Learn about the first detection of a low-mass ultracool dwarf at the low frequency of 340 MHz! ⚛️🔭☄🧪
astrobites.org/2026/01/12/l...
Low, Low, and Lower: A Binary Ultracool Dwarf System is Detected at 340 MHz
The lowest mass stars have been well-studied across the mid and high frequency radio bands. However, lower frequencies can reveal larger-scale magnetic structures and may even be the key to the first ...
astrobites.org
January 12, 2026 at 9:21 PM
From Caroline von Raesfeld: Today’s astrobite looks at how we can use observations of gamma-rays and neutrinos to test our models of cosmic rays. ⚛️🔭☄🧪
astrobites.org/2026/01/10/c...
A tale of two toy models: towards understanding the geometry of cosmic rays in the Milky Way
Today's astrobite looks at how we can use observations of gamma-rays and neutrinos to test our models of cosmic rays.
astrobites.org
January 10, 2026 at 9:24 PM
Our interviews with Jan 8th's plenary speakers #AAS247 🧪☄️🔭✨:
January 8, 2026 at 4:55 PM
Its the last day of #AAS247! Make sure you don't miss the last few talks from folks at Astrobites!

Kicking us off at 10 AM in room 221 B is Briley Lewis ( @briles34.bsky.social ) giving a talk on writing education in astronomy! 🔭🧪☄️
January 8, 2026 at 4:28 PM
Check out all the action from the first two days of #AAS247 with our summary wrap posts! ☄️🔭✨🧪
astrobites.org/2026/01/06/a...
astrobites.org/2026/01/07/a...
January 7, 2026 at 4:55 PM
Reposted by Astrobites
Our interviews with the plenary speaker for tomorrow, Jan 7th! #AAS247 ☄️🔭✨🧪
January 6, 2026 at 4:11 PM
Our interviews with the plenary speaker for tomorrow, Jan 7th! #AAS247 ☄️🔭✨🧪
January 6, 2026 at 4:11 PM
Our interviews with today's plenary speakers: #AAS247 ✨☄️🔭
January 6, 2026 at 4:06 PM
Reposted by Astrobites
Hello everyone at #AAS247 ! If you're interested in star formation, star clusters, or anything of the sort (or just wanna say hi), come check out my talk tomorrow!
January 5, 2026 at 9:54 PM
Its day two of #AAS247 and we have more talks from our authors!

Catch Drew Lapeer ( @giantmolecular.cloud ) in room 224A at 2:00 PM and Annelia Anderson ( @astroannelia.bsky.social ) in room 228B at 2:30 PM!
January 6, 2026 at 2:27 PM
Reposted by Astrobites
Dear undergrads attending #aas247: It's that time of year! The SETI Institute, a non-profit private scientific research institution located in California’s Silicon Valley, invites you to apply for a summer Research Experience for Undergraduates program for highly motivated students... 🧪 🔭 👩‍🔬
January 6, 2026 at 12:00 AM
Reposted by Astrobites
#AAS247 Space Telescope Science Institute: NASA’s Hubble Examines Cloud-9, First of New Type of Object science.nasa.gov/missions/hub...
NASA's Hubble Examines Cloud-9, First of New Type of Object - NASA Science
A team using Hubble uncovered a new type of astronomical object — a starless, gas-rich, dark-matter cloud, a remnant of early galaxy formation.
science.nasa.gov
January 5, 2026 at 5:25 PM
Want to hear about some of the cool science our authors are doing at #AAS247? Two of our authors are giving talks today!

Kicking us off at 10:10 AM in room 222c is Skylar Grayson ( @skylargrayson.bsky.social ) with her dissertation talk! 🔭
January 5, 2026 at 3:57 PM
Reposted by Astrobites
Hi #AAS247! My talk on our simulation-based interpretation guide for CGM observations will be on Tuesday at 2:30 in room 228B 🔭
January 5, 2026 at 5:55 AM
Reposted by Astrobites
Here we go. President Dara Norman kicks off the first plenary session.
January 5, 2026 at 3:16 PM
Today from 3:40-4:30 PM MT in West Building 301AB: Dr. Burgasser's plenary on brown dwarfs! Check out our interview with him here: astrobites.org/2026/01/05/m... #AAS247
Meet the AAS Keynote Speakers: Dr. Adam Burgasser
Today we interview Dr. Adam Burgasser, professor of astronomy and astrophysics at the University of California San Diego (UCSD), and a plenary speaker at #AAS247
astrobites.org
January 5, 2026 at 3:32 PM
Happening now - Dr. DellaGiustina's Plenary on the OSIRIS-REx mission. Check out our interview with her here: astrobites.org/2026/01/05/m... #AAS247
Meet the AAS Keynote Speakers: Dr. Daniella DellaGiustina
Today we interview Dr. Daniella DellaGiustina, professor at the University of Arizona, Deputy Principal Investigator of the OSIRIS-REx sample return mission, and the Fred Kavli Plenary Lecturer at #AA...
astrobites.org
January 5, 2026 at 3:31 PM