About StarXiv: a podcast discussing the latest astronomy papers
Hello! Welcome to the StarXiv, hosted by Dr Michelle Collins and Dr Payel Das. This is a biweekly podcast that delves into the latest astronomy papers & results from the arXiv. Michelle and Payel are astronomers at the University of Surrey. They love research, but struggle to find time to read a lot of papers. They’re hoping this podcast fixes that. The beautiful logo is designed by Izzy Gray, a PhD student currently studying at the University of Surrey.
Episode 45 – r-process origins, moons of Uranus, and systmatic uncertainties
In this week’s episode, Michelle and Payel discuss whether neuron-star mergers are even needed to explain r-process abundances, the origin of the inner moons of Uranus, and the impact of systematic uncertainties on the Hubble tension and gamma-ray searches for dark matter.
Check out this week's papers below:
Constraints on the r-process Delay Time from Dwarf Spheroidal Galaxies (https://arxiv.org/pdf/2610.15946) - Lauren Henderson et al.
TDCOSMO 2026: A 3% measurement of the Hubble constant from strong lensing and stellar kinematics (https://arxiv.org/pdf/2610.14781) - TDCOSMO Collaboration et al.
JWST Reveals the Kuiper Belt-like Compositions of the Uranian Rings and Small Moons (https://arxiv.org/pdf/2609.31923) - Matthew Belyakov et al.
Systematic Uncertainties and Their Impact on Gamma-Ray Searches for Dark Matter in Dwarf Galaxies (https://arxiv.org/pdf/2609.20944) - Toni Bert´olez-Martinez et al.
29 Sept 2026
Episode 44 - asteroid impacts, chemical evolution and quasi-stars
In this week's episode, Michelle and NEWLY MINTED PhD, Dr Nicole, discuss papers including predictions for 10-metre plus asteroid impact rates on Earth and other planets, the abundance of life-critical Phosphorus in Galactic stars, age dating giants with the carbon-to-Nitrogen ratio and whether quasi-stars can explain the properties of little red dots! Tune in below, or on Spotify (https://open.spotify.com/show/7rDlEt8V1FN8bSKOZW9Siu?si=a62b8bee8c6340ab) and Apple (https://podcasts.apple.com/gb/podcast/starxiv-a-podcast-discussing-the-latest-astronomy-papers/id1812680909).
Check out this weeks papers below
Stellar ages from [C/N] in giant stars: applicability and limitations (https://arxiv.org/abs/2609.21928) - Giada Casali et al
The Galactic Phosphorus Survey. I. Chemical Evolution across the Galactic Disk from ∼750 FGK Stars (https://arxiv.org/abs/2609.20930)-Dionysios Gakis
Asteroids Impacting the Solar System Planets and the Moon. I. Collision Rates from N-body Simulations (https://arxiv.org/abs/2609.22042) -Qifeng Cheng, Daniel Scolnic
A Spectral Framework for Testing the Quasi-Star Hypothesis in Little Red Dots I: Weighing LRDs by Their Super-Eddington Luminosity Ratios---No Signs of Overmassive Black Holes (https://arxiv.org/abs/2609.09265) - Olivia Curtis et al.
1 Sept 2026
Episode 43 - early dark energy, the fate of Venusian moons, and the power of forbidden lines
In this week's episode, Michelle and Payel ask whether early dark energy leaves a detectable imprint on large-scale structure, and whether Venus once had a moon — and what might have happened to it. They also each pick a paper using forbidden line emission to probe galaxy evolution, including one testing whether some extremely metal-poor galaxies are impostors.
Reach and audience
Public platform figures. Ratings count people who left a rating, not total listeners.
Apple Podcasts (US)
5.0 / 5
2 ratings
Spotify
5.0 / 5
23 ratings
Podcast Authority Score: 12 / 100
A composite of feed quality, social presence, YouTube performance and engagement. Read the methodology.
Quality
25
Social presence
0
YouTube
0
Engagement
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