16 October 2023

Highlights from AAS Nova: 1–14 October 2023

Kerry Hensley

Kerry Hensley American Astronomical Society (AAS)

AAS Nova provides brief highlights of recently published articles from the AAS journals, i.e., The Astronomical Journal (AJ), The Astrophysical Journal (ApJ), ApJ Letters, ApJ Supplements, The Planetary Science Journal, and Research Notes of the AAS. The website's intent is to gain broader exposure for AAS authors and to provide astronomy researchers and enthusiasts with summaries of recent, interesting research across a wide range of astronomical fields.

Image of the Sun rising behind the Earth's horizon with the text "Discover what's new in the universe", the AAS Nova logo, and "aasnova.org" superposed.


The following are the AAS Nova highlights from the past two weeks; follow the links to read more, or visit AAS Nova for more posts.

13 October 2023
Metal Before It Was Cool: Super-Enrichment in the Early Universe
Galaxies in the early universe were mostly pure hydrogen. How, then, did one end up with so much metal just a billion years after the Big Bang?

11 October 2023
Could Interacting Dark Matter Solve a Problem with Our Models of the Universe?
If dark matter and normal matter could interact, it could ease the emerging tension between measurements of how smooth or clumpy the distribution of matter is in our universe.

10 October 2023
Looking for a Dragonfly in the Sky
Astrobites reports on a new study of the Dragonfly pulsar wind nebula — a possible source of particles with energies up to a quadrillion electronvolts!

9 October 2023
Spotlight on Machine Learning in Astrophysics
Machine learning is increasingly popular in many fields of science, including astrophysics. Today's post takes a look at how machine-learning techniques have been used in three research areas.

6 October 2023
DPS–EPSC 2023: Day 4
Day 4 of the meeting brought an overview of Hubble observations of the giant planets and a debate about the presence of liquid water beneath Mars’s south polar deposits.

5 October 2023
DPS–EPSC 2023: Day 3
On day 3, presenters tackled machine-learning challenges, icy planets and moons were scrutinized, and solar system images from JWST stole the show.

4 October 2023
DPS–EPSC 2023: Day 2
Plenary lectures on the second day of the joint AAS Division for Planetary Sciences and Europlanet Science Congress meeting brought insights into small solar system bodies, an asteroid redirection test, and the connection between comets and meteor showers.

3 October 2023
DPS–EPSC 2023: Day 1
We’re tuning in to this year’s joint meeting of the AAS Division for Planetary Sciences and the Europlanet Science Congress. Check out our summary of plenary sessions and press conferences on Day 1!

2 October 2023
Could We Detect the Merger of Stellar-Mass and Supermassive Black Holes?
The gravitational waves emitted by stellar-mass black holes merging with one member of a supermassive black hole binary might be a prominent target for upcoming observatories like LISA.

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