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.

June 27, 2025 updates

Reactionless Propulsion Achieved at Greater than 100 Pounds of Lift.
https://brilliantlightpower.com/reactionless-propulsion/

The Possibility for Panspermia in the Galaxy by Means of Planetary Dust Grains
https://www.scirp.org/journal/paperinformation?paperid=143477

Meteorite-common amino acid induces clay exfoliation and abiotic compartment formation
https://www.nature.com/articles/s43247-025-02417-8

TOI-1846 b: A super-Earth in the radius valley orbiting a nearby M dwarf
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1030/8175105

Searching for GEMS: Confirmation of TOI-5573 b, a Cool, Saturn-like Planet Orbiting an M Dwarf
https://iopscience.iop.org/article/10.3847/1538-3881/addc51

On Error Estimates for Hapke Photometric Model Parameters from Disk-integrated Phase Curves of Airless Planetary Bodies
https://iopscience.iop.org/article/10.3847/PSJ/adcd5d

Observability of radio reflections from exoplanet ionospheres with next generation radio telescopes
https://www.sciencedirect.com/science/article/abs/pii/S0019103525002568

Characterizing Exoplanets for Assessing Their Potential Habitability
https://arxiv.org/abs/2506.21351

Saturns, but not super-Jupiters, occur more frequently in the presence of inner super-Earths
https://arxiv.org/abs/2506.21204

Metal Polluted White Dwarfs with 21 μm IR excesses from JWST/MIRI: Planets or Dust?
https://arxiv.org/abs/2506.21224

Two neighbours of the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna
https://arxiv.org/abs/2504.20999

A Theoretical Framework for the Controlled Synthesis of Exotic Matter via Plasma-Based Magnetic Systems in Exoatmospheric Environments
https://zenodo.org/records/15620762

Real-Time Massless Human Travel at Speed of Light via Dynamic Casimir Effect and Quantum Vacuum Engineering: A Feasibility Research Framework
https://www.researchgate.net/publication/392509265_Real-Time_Massless_Human_Travel_at_Speed_of_Light_via_Dynamic_Casimir_Effect_and_Quantum_Vacuum_Engineering_A_Feasibility_Research_Framework

Null Space-Vacuum Depressurization
https://www.researchgate.net/publication/392268334_Null_Space-Vacuum_Depressurization

June 26, 2025 updates

Evidence for a sub-Jovian planet in the young TWA 7 disk
https://link.springer.com/article/10.1038/s41586-025-09150-4

Can tidal evolution lead to close-in planetary bodies around white dwarfs II: volcanism and transits
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1028/8173849

Searching for GEMS: Confirmation of TOI-5573 b, a Cool, Saturn-like Planet Orbiting an M Dwarf
https://iopscience.iop.org/article/10.3847/1538-3881/addc51

Giant Outer Transiting Exoplanet Mass (GOT ‘EM) Survey. VI. Confirmation of a Long-period Giant Planet Discovered with a Single TESS Transit
https://iopscience.iop.org/article/10.3847/1538-3881/add88b

Direct High-Resolution Imaging of Earth-Like Exoplanets
https://arxiv.org/abs/2506.20236

Exoplanet exploration in the context of the PLATO mission: From detection to population studies
https://arxiv.org/abs/2506.19898

Pushing the limits of eccentricity in planet-disc interactions
https://arxiv.org/abs/2506.19917

Gravity-sensitive Spectral Indices in Ultracool Dwarfs: Investigating Correlations with Metallicity and Planet Occurrence using SpeX and FIRE Observations
https://arxiv.org/abs/2506.19928

Measurements of three exo-planetesimal compositions: a planetary core, a chondritic body, and an icy Kuiper belt analogue
https://arxiv.org/abs/2506.19931

Follow-Up Exploration of the TWA 7 Planet-Disk System with JWST NIRCam
https://arxiv.org/abs/2506.19932

Shaping Galactic Habitability: the impact of stellar migration and gas giants
https://arxiv.org/abs/2506.19981

Hundreds of TESS exoplanets might be larger than we thought
https://arxiv.org/abs/2506.19985

Signatures of planets and Galactic subpopulations in solar analogs. Precise chemical abundances with neural networks
https://arxiv.org/abs/2506.20345

The KELT-7b atmospheric thermal-inversion conundrum revisited with CHEOPS, TESS, and additional data
https://arxiv.org/abs/2506.20432

An Earth-like Density for the Temperate Earth-sized Planet GJ 12b
https://arxiv.org/abs/2506.20561

The mass of the exo-Venus Gliese 12 b, as revealed by HARPS-N, ESPRESSO, and CARMENES
https://arxiv.org/abs/2506.20564

Comparing the Architectures of Multiplanet Systems from Kepler, K2, and TESS Data
https://arxiv.org/abs/2506.20654

June 25, 2025 updates

The Formation of Double Hot Jupiter Systems through von Zeipel–Lidov–Kozai Migration
https://iopscience.iop.org/article/10.3847/1538-4357/add405

Life Detection Knowledge Base: A Community Tool for Knowledge Management and Representation
https://liebertpub.com/doi/10.1089/ast.2024.0106

A Categorical Exploration of Prebiotic Universality
https://www.researchsquare.com/article/rs-6895880/v1

ALMA 2D super-resolution imaging survey of Ophiuchus Class I/flat spectrum/II disks. I. Discovery of new disk substructures
https://academic.oup.com/pasj/article/77/3/572/8117664

Metallicities from High-Resolution TRES Spectra with The Payne and uberMS: Performance Benchmarks and Literature Comparison
https://arxiv.org/abs/2506.18961

The HUSTLE Program: The UV to Near-IR Transmission Spectrum of the Hot Jupiter KELT-7b
https://arxiv.org/abs/2506.19193

Extreme Learning Machines for Exoplanet Simulations: A Faster, Lightweight Alternative to Deep Learning
https://arxiv.org/abs/2506.19679

June 24, 2025 updates

A Library of 77 Multibody Solar and Extrasolar Subsystems—A Review of Their Dynamical Properties, Global Mean-Motion Resonances, and the Landau-Damped Mean Tidal Fields
https://www.mdpi.com/2674-0346/4/3/11

Exoplanet Quantum Limits
https://zenodo.org/records/15723030

Determining the Physical Masses of Exoplanets Observed by Radial Velocity Measurements: A Review of Methods and Solutions, Results, and New Questions from Published Data
https://link.springer.com/article/10.1134/S0038094624601622

Exploring Systematic Errors in the Inferred Parameters of the Transiting Planet KELT-15b and its Host Star
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1017/8172007

Multivariate Statistical Analysis of Exoplanet Habitability: Detection Bias and Earth Analog Identification
https://arxiv.org/abs/2506.18200

Planet formation in chemically diverse and evolving discs — I. Composition of planetary building blocks
https://arxiv.org/abs/2506.17399

A High Geometric Albedo for LTT9779b Points Towards a Metal-rich Atmosphere and Silicate Clouds
https://arxiv.org/abs/2506.17550

Advanced Modeling for Exoplanet Detection and Characterization
https://arxiv.org/abs/2506.17665

Planetary Obliquity Excitation Through Pre-Main Sequence Stellar Evolution
https://arxiv.org/abs/2506.17843

Searching for GEMS: TOI-7149~b an Inflated Giant Planet causing a 12% Transit of a Fully Convective M-dwarf
https://arxiv.org/abs/2506.17861

Semiconvection unlocks dynamo action in stably-stratified regions of gaseous planets
https://arxiv.org/abs/2506.18521

TOI-1846b: A super-Earth in the radius valley orbiting a nearby M dwarf
https://arxiv.org/abs/2506.18550

The influence of interior structure and thermal state on impact melt generation upon large impacts onto terrestrial planets
https://arxiv.org/abs/2506.18718

A complete census of planet-hosting binaries
https://arxiv.org/abs/2506.18759

June 23, 2025 updates

From Space to the Hadean Earth: Prebiotic Synthesis and the Origins of Life
https://archiv.ub.uni-heidelberg.de/volltextserver/36595/

Unrestricted Earth Return, Planetary Protection and the Wisdom of the Precautionary Principle
https://www.scirp.org/journal/paperinformation?paperid=143385k

Towards satellite tests combining general relativity and quantum mechanics through quantum optical interferometry: progress on the deep space quantum link
https://link.springer.com/article/10.1140/epjqt/s40507-025-00370-1

Solar system research prospects for the decade and beyond
https://link.springer.com/article/10.1007/s12036-025-10060-0

Spottedness and Flare Activity of Solar-Type Stars with Exoplanets
https://link.springer.com/article/10.1134/S1063772925701768

Oort cloud ecology III. The Sun’s departure from the parent star cluster shortly after the giant planets formed
https://www.aanda.org/articles/aa/full_html/2025/06/aa54855-25/aa54855-25.html

Exo-Dragonfly: Adapting the Dragonfly Telephoto Array to the Observation of Exoplanet Transits
https://iopscience.iop.org/article/10.1088/1538-3873/ade00b

Surprising Spin–Orbit Resonances of Rocky Planets
https://iopscience.iop.org/article/10.3847/1538-4357/add2f3

A Dichotomy of the Mass-Metallicity Relation of Exoplanetary Atmospheres Demarcated by their Birthplace
https://arxiv.org/abs/2506.16060

(Re)-Defining Planets — the Fundamental Plane of Planets
https://arxiv.org/abs/2506.16071

Investigating Transit Timing Variations in the Ultra-short Period Exoplanet WASP-19b
https://arxiv.org/abs/2506.16306

Possibilities for SETI at High Energy
https://arxiv.org/abs/2506.16351

Disentangling Metallicity Effects in Hot Jupiter Occurrence Across Galactic Birth Radius and Phase-Space Density
https://arxiv.org/abs/2506.16511

Exoplanet Classification through Vision Transformers with Temporal Image Analysis
https://arxiv.org/abs/2506.16597

Super-Earth formation in systems with cold giants
https://arxiv.org/abs/2506.17091