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astrobites.bsky.social
Astrobites
@astrobites.bsky.social
10K followers 99 following 930 posts
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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astrobites.bsky.social
Astrobites @astrobites.bsky.social · Nov 15
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astrobites.bsky.social
From Skylar Grayson @skylargrayson.bsky.social : Studying dwarf galaxies provides unique insights to galaxy evolution. Today’s paper explores how resolving stellar populations of isolated galaxies allows us to determine their star formation history! ⚛️🔭☄🧪
astrobites.org/2025/12/25/r...
Resolving the Star Formation History of Dwarf Galaxies
Studying dwarf galaxies provides unique insights to galaxy evolution. Today's paper explores how resolving stellar populations of isolated galaxies allows us to determine their star formation history!
astrobites.org
December 25, 2025 at 10:07 PM
astrobites.bsky.social
From Ansh Gupta: This ancient black hole is far too massive for its galaxy. Thirteen billion years later, it might still be haunting us. ⚛️🔭☄🧪
astrobites.org/2025/12/23/q...
Forever Alone: A Black Hole Destined to Stay too Big
This ancient black hole is far too massive for its galaxy. Thirteen billion years later, it might still be haunting us.
astrobites.org
December 23, 2025 at 9:37 PM
astrobites.bsky.social
From Will Golay: Stars that end their lives as the most massive white dwarfs often also have another distant star orbiting an inner binary. Could these tertiary stars play a role in merging the inner binaries into remnant objects that emit fast radio bursts? ⚛️🔭☄🧪
astrobites.org/2025/12/22/t...
Triple Double: Do merging white dwarfs produce FRB-emitting remnants?
Half of all stars are in binaries. Stars that end their lives as the most massive white dwarfs often also have another distant star orbiting an inner binary. Could these tertiary stars play a role in ...
astrobites.org
December 22, 2025 at 9:49 PM
astrobites.bsky.social
From Anavi Uppal @anaviuppal.bsky.social : In February 2023, the KM3NeT underwater observatory observed the highest-energy neutrino ever detected. Did it come from a dying primordial black hole? ⚛️🔭☄🧪
astrobites.org/2025/12/20/n...
Did we detect the death of a primordial black hole?
In February 2023, the KM3NeT underwater observatory observed the highest-energy neutrino ever detected. Did it come from a dying primordial black hole?
astrobites.org
December 21, 2025 at 8:43 PM
astrobites.bsky.social
From Kasper Zoellner: Just when you think exoplanet demographics can’t get any weirder, this thing shows up. A hot Jupiter with a thing for carbon that may have been a star but now lives with a dead one. Confused? Read today’s bite. ⚛️🔭☄🧪
astrobites.org/2025/12/19/a...
A Spider’s Strange Catch: The Carbon Atmosphere of a Black Widow Companion
Just when you think exoplanet demographics can’t get any weirder, this thing shows up. A hot Jupiter with a thing for carbon that may have been a star but now lives with a dead one. Confused? Read tod...
astrobites.org
December 21, 2025 at 3:34 AM
astrobites.bsky.social
From Margaret Verrico @meverri.bsky.social : Today’s bite zooms in on nearby galaxies to understand how they impact future stellar nurseries and (maybe) suppress star formation. ⚛️🔭☄🧪
astrobites.org/2025/12/18/a...
Smooth like cosmic butter: How AGN destroy molecular gas clumps in galactic nuclei
Today’s bite zooms in on nearby galaxies to understand how they impact future stellar nurseries and (maybe) suppress star formation.
astrobites.org
December 20, 2025 at 2:19 AM
astrobites.bsky.social
From Will Golay: Light is composed of an electromagnetic wave, encoding information about its orientation. Learn how observing polarized optical light from one of the most extreme types of events in the universe enables us to study the origin of its light! ⚛️🔭☄🧪
astrobites.org/2025/12/16/v...
Variable polarized optical emission from a tidal disruption event
Light is composed of an electromagnetic wave, encoding information about its specific orientation. Learn how observing polarized optical light from one of the most extreme types of events in the unive...
astrobites.org
December 17, 2025 at 3:56 AM
astrobites.bsky.social
From Joe Williams: Astronomers have observed the abundance of heavy water (D2O) in the V883 Ori disc, providing a crucial insight into the history of water – with some implications for Earth’s water and maybe more… ⚛️🔭☄🧪
astrobites.org/2025/12/15/h...
Heavy Water with Heavy Implications
Astronomers have observed the abundance of heavy water (D2O) in the V883 Ori disc, providing a crucial insight into the history of water - with some implications for Earth’s water and maybe more…
astrobites.org
December 16, 2025 at 6:28 AM
astrobites.bsky.social
From Sandy Chiu: Cosmic rays don’t always reveal their origins honestly—magnetic fields can create “mirage halos” that look like real gamma-ray sources. New simulations show how a single pulsar can masquerade as three, reshaping how we interpret TeV observations. ⚛️🔭☄🧪
astrobites.org/2025/12/13/o...
How One Pulsar Can Look Like Three: Cosmic-Ray Mirage Halos in the Gamma-Ray Sky
Cosmic rays don’t always reveal their origins honestly—magnetic fields can bend their paths and create “mirage halos” that look like real gamma-ray sources. New simulations show how a single pulsar ca...
astrobites.org
December 14, 2025 at 9:54 PM
astrobites.bsky.social
From Tori Bonidie @toribonidie.bsky.social : Was Venus involved in a catastrophic hit-and-run? Read this astrobite to find out! ⚛️🔭☄🧪
astrobites.org/2025/12/12/a...
A Planetary Hit-and-Run?
Was Venus involved in a catastrophic hit-and-run? Read this astrobite to find out!
astrobites.org
December 13, 2025 at 9:27 PM
astrobites.bsky.social
From Will Golay: How standardizable of a candle are Type-1a supernovae? Learn how differing initial conditions causing a white dwarf to exceed the Chandrasekhar limit and explode might reconcile independent measurements of the Universe’s expansion rate. ⚛️🔭☄🧪
astrobites.org/2025/12/11/h...
Does the Hubble tension arise from heterogeneity in Type-Ia supernovae?
How standardizable of a candle are Type-1a supernovae? Learn how differing initial conditions causing a white dwarf to exceed the Chandrasekhar limit and explode might reconcile independent measuremen...
astrobites.org
December 13, 2025 at 2:13 AM
astrobites.bsky.social
From Ryan White @astroryan.bsky.social : What does a stellar breakup look like? So dramatic that the stars can’t wait to get away from each other! Today’s authors use physics to search for the one who got away. ⚛️🔭☄🧪
astrobites.org/2025/12/09/s...
It’s not you, it’s me. I just need several parsec of space.
What does a stellar breakup look like? So dramatic that the stars can’t wait to get away from each other! Today’s authors use physics to search for the one who got away.
astrobites.org
December 11, 2025 at 8:28 PM
astrobites.bsky.social
In the latest of our #UndergradResearch series, discover how to estimate the metallicities of early galaxies using line ratios from JWST with Vidit Bhandari. ⚛️🔭☄🧪
astrobites.org/2025/12/09/u...
UR: Data-Driven Analysis of Galactical Evolution
In the latest of our #UndergradResearch series, discover how to estimate the metallicities of early galaxies using line ratios from JWST with Vidit Bhandari.
astrobites.org
December 10, 2025 at 8:42 PM
astrobites.bsky.social
From Abbé Whitford: In today’s Astrobite, we discuss how the motions of galaxies may indicate the presence of large structures in the nearby Universe and put the Lambda-CDM model to the test. ⚛️🔭☄🧪
astrobites.org/2025/12/08/l...
Testing cosmology with galaxy motions: what we can learn from measurements of the bulk flow
In today's Astrobite, we discuss how the motions of galaxies may indicate the presence of large structures in the nearby Universe and put the Lambda-CDM model to the test.
astrobites.org
December 9, 2025 at 10:04 PM
Reposted by Astrobites
aasnova.org
Joe Williams reports for @astrobites.bsky.social on the Fomalhaut debris disk, which is well studied but may contain a hidden planet we haven’t seen yet. aasnova.org/2025/12/09/m... 🔭
Michelangelo in Space: A Planet Carving the Fomalhaut Debris Disk?
Astrobites reports on the Fomalhaut debris disk, which is well studied but may contain a hidden planet we haven’t seen yet.
aasnova.org
December 9, 2025 at 5:51 PM
Reposted by Astrobites
astrosoundbites.bsky.social
This ep we dive into disks and, gasp, revisit intro physics concepts. Wait don't leave! Cole explores a misbehaving protoplanetary disk while Cormac shows how radiation can hinder the birth of planets. We then visit beefier disks around galaxies and black holes. 🔭
astrosoundbites.com/2025/12/08/e...
https://astrosoundbites.com/2025/12/08/episode-114-a-world-of-disc-overy/
December 9, 2025 at 5:54 PM
astrobites.bsky.social
From Brandon Pries : Today’s authors investigate how the physics in the extreme environments in the centers of galaxies leads to connections between X-rays and ghostly particles called neutrinos! ⚛️🔭☄🧪
astrobites.org/2025/12/06/s...
Connections Between X-Ray and Neutrino Emission?
Today's authors investigate how the physics in the extreme environments in the centers of galaxies leads to connections between X-rays and ghostly particles called neutrinos!
astrobites.org
December 8, 2025 at 8:15 PM
astrobites.bsky.social
From Margaret Verrico @meverri.bsky.social : I sat down with the newest astronomy professor at UIUC to ask about her first semester as a faculty member and how she made the transition to a permanent position. ⚛️🔭☄🧪
astrobites.org/2025/12/05/n...
The First Semester as Faculty: Interview with Professor Jiayin Dong
I sat down with the newest astronomy professor at UIUC to ask about her first semester as a faculty member and how she made the transition to a permanent position.
astrobites.org
December 8, 2025 at 2:00 AM
astrobites.bsky.social
From Shalini Kurinchi-Vendhan @shalinikv.bsky.social : These galaxies are on the brink of entering their “quiet” phase. ⚛️🔭☄🧪
astrobites.org/2025/12/04/o...
Observing the End of Star Formation in Galaxies
These galaxies are on the brink of entering their “quiet” phase.
astrobites.org
December 7, 2025 at 12:15 AM
astrobites.bsky.social
From Anavi Uppal @anaviuppal.bsky.social : Citizen scientists can make important contributions to the study of galaxies (like the discovery of new gravitational lenses!), and their work can also be used to train better machine learning models. ⚛️🔭☄🧪
astrobites.org/2025/12/03/g...
Cosmic Dawn at the Galaxy Zoo
Citizen scientists can make important contributions to the study of galaxies (like the discovery of new gravitational lenses!), and their work can also be used to train better machine learning models.
astrobites.org
December 4, 2025 at 11:57 PM
astrobites.bsky.social
From Lindsey Gordon @lcgordon.bsky.social : This Beyond post will go through the basics of numeric simulation jargon with diagrams and examples to help you get moving in astrophysical simulations. ⚛️🔭☄🧪
astrobites.org/2025/12/02/a...
[Beyond] Intro to Astrophysical Simulation Jargon
This Beyond post will go through the basics of numeric simulation jargon with diagrams and examples to help you get moving in astrophysical simulations.
astrobites.org
December 3, 2025 at 11:11 PM
astrobites.bsky.social
From Niloofar Sharei @astroneal.bsky.social : French’s new book separates real cosmic dangers from exaggerated ones, offering a grounded guide to the threats above our planet. ⚛️🔭☄🧪
astrobites.org/2025/12/01/b...
Book Review: Space Hazards: Asteroids, Solar Flares and Cosmic Threats
French’s new book seperates real cosmic dangers from exaggerated ones, offering a grounded guide to the threats above our planet.
astrobites.org
December 2, 2025 at 10:05 PM
Reposted by Astrobites
aasnova.org
Ryan White reports for @astrobites.bsky.social on simulations that explore whether a baby neutron star repeatedly diving into the envelope of its inflated companion star could be the cause of bumpy supernova light curves. aasnova.org/2025/12/02/b... 🔭
Bumpy Road Ahead: Can Binary Interactions Make Supernovae Periodically Brighter?
Astrobites reports on simulations that explore whether a baby neutron star repeatedly diving into the envelope of its inflated companion star could be the cause of bumpy supernova light curves.
aasnova.org
December 2, 2025 at 5:12 PM
astrobites.bsky.social
From Alexandra Masegian @spiralgalexy.bsky.social : Today’s bite explores how munching on tiny black holes can lead stars to an early demise. ⚛️🔭☄🧪
astrobites.org/2025/11/29/t...
The snack that fights back
Today’s bite explores how munching on tiny black holes can lead stars to an early demise.
astrobites.org
December 2, 2025 at 1:32 AM
astrobites.bsky.social
From Anavi Uppal @anaviuppal.bsky.social : Astronomers (and one SpaceX engineer) met at a three-day workshop to figure out how to prevent satellites from obstructing LSST science. ⚛️🔭☄🧪
astrobites.org/2025/11/28/l...
Satellite constellations will harm Rubin LSST science. What can we do?
Astronomers (and one SpaceX engineer) met at a three-day workshop to figure out how to prevent satellites from obstructing LSST science.
astrobites.org
December 1, 2025 at 12:55 AM