Interstellar Updates

 

These are items of interest to the interstellar exploration community that we’ve found in our quest for information that will help us advance toward our goals.  If you know of anything we’ve overlooked, or any sources of such information we should monitor, or if you would like to be added to our IRG-updates mailing list and receive these updates in you email every weekday, please send that information to info@irg.space.

You can now search our database of interstellar updates and find items of interest to you.

October 29, 2026 Updates

A neural-network model to find correlations in astrochemical space
https://arxiv.org/abs/2610.30842

Model-driven Stellar Spectroscopy with the Total Differential Spectral Model (TDSM): Framework and Its Application to 11 Million LAMOST Low-resolution Spectra
https://iopscience.iop.org/article/10.3847/1538-4365/aeab87

Interpretability as a leakage detector: a case study in machine-learning-based exoplanet detection with TESS
https://iopscience.iop.org/article/10.1088/2632-2153/aeb3ca

Optimized Bragg Grating Liquid Crystal Solar Sail
https://arxiv.org/abs/2610.28942

On the foundations of anthropic reasoning: Implications for life across the universe
https://arxiv.org/abs/2610.22896

October 28, 2026 Updates

Planetesimal Formation under Realistic Gas Dynamics: Dust Concentration in Turbulent and Windy Protoplanetary Disks
https://arxiv.org/abs/2609.38921

Dispersal of protoplanetary disks by the combination of magnetically driven and photoevaporative winds
https://arxiv.org/abs/2001.03949

The Occurrence Rate of Planets Around Subgiant Stars from TESS Photometric Survey
https://arxiv.org/abs/2609.37517

Cometary impacts an unlikely pathway towards the origins of life on Earth
https://www.nature.com/articles/s41598-026-74214-y

An Infant Sub-Saturn in Scorpius-Centaurus
https://arxiv.org/abs/2609.38315

October 27, 2026 Updates

Proxima Centauri’s Angular Diameter Revisited
https://arxiv.org/abs/2610.33373v1

The Fate of Ice Sheets on Near-Synchronously Rotating Land Planets
https://arxiv.org/abs/2610.33884v1

A triple-induced merger in T Ori C, solves the proplyd lifetime problem and the curiously young shell of M42
https://arxiv.org/abs/2609.38550

Two families of multi-planet systems with distinct architectures and stellar hosts
https://www.nature.com/articles/s41550-026-02990-8

Evidence for an Atmosphere on the Ultra-short-period Super-Earth HD 3167 b
https://iopscience.iop.org/article/10.3847/2041-8213/ae7f23

October 23, 2026 Updates

Assessment of the Mass Loss and Radius Change of 3I/ATLAS Based on Observed Production Rates
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stag1941/8914591

Hot Rocks Survey VI: An anomalously hot dayside for the rocky planet GJ 357 b
https://arxiv.org/abs/2609.30552

Planetesimal formation facilitated by streaming instability in weak pressure bumps
https://arxiv.org/abs/2609.34932

Astrometric Evidence for Outer Giant Planets in Known Exoplanet Systems
https://arxiv.org/abs/2609.37160

Atmospheric dynamics and variability of periodically irradiated tidally locked planets
https://arxiv.org/abs/2609.38128

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