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.

November 07, 2024 updates

Gravitational Void Theory: A Novel Solution to the Fermi Paradox and the Limits of Cosmic Civilization
https://www.researchgate.net/publication/385496675_Gravitational_Void_Theory_A_Novel_Solution_to_the_Fermi_Paradox_and_the_Limits_of_Cosmic_Civilization

Exophilosophy: The Philosophical Implications of Alien Life
https://www.google.com/books/edition/Exophilosophy/FFDw0AEACAAJ?hl=en

Effects of the internal temperature on vertical mixing and on cloud structures in ultra-hot Jupiters
https://www.aanda.org/articles/aa/full_html/2024/11/aa51823-24/aa51823-24.html

MARFA: An Effective Line-by-line Tool for Calculating Absorption Coefficients and Cross-sections in Planetary Atmospheres
https://arxiv.org/abs/2411.03418

Exo-Daisy World: Revisiting Gaia Theory through an Informational Architecture Perspective
https://arxiv.org/abs/2411.03421

Formation of Terrestrial Planets
https://arxiv.org/abs/2411.03453

Host-star and exoplanet composition: Polluted white dwarf reveals depletion of moderately refractory elements in planetary material
https://arxiv.org/abs/2411.03454

Redshifting the Study of Cold Brown Dwarfs and Exoplanets: the Mid-Infrared Wavelength Region as an Indicator of Surface Gravity and Mass
https://arxiv.org/abs/2411.03549

November 06, 2024 updates

PROJECT HYPERION Design Competition
https://www.projecthyperion.org/

Self-consistent N-body simulation of planetesimal-driven migration. I. The trajectories of single planets in the uniform background
https://academic.oup.com/pasj/advance-article-abstract/doi/10.1093/pasj/psae090/7876448

Searching for GEMS: Characterizing Six Giant Planets Around Cool Dwarfs
https://iopscience.iop.org/article/10.3847/1538-3881/ad7796

HD 119130 b is not an “ultra-dense” sub-Neptune
https://arxiv.org/abs/2411.02518

The impact of observing cadence and undetected companions on the accuracy of planet mass measurements from radial velocity monitoring
https://arxiv.org/abs/2411.02521

On the local formation of the TRAPPIST-1 exoplanets
https://arxiv.org/abs/2411.02529

JWST COMPASS: The first near- to mid-infrared transmission spectrum of the hot super-Earth L 168-9 b
https://arxiv.org/abs/2411.03154

November 05, 2024 updates

Xenolinguistics: Towards a Science of Extraterrestrial Language
https://www.summerfieldbooks.com/product/xenolinguistics-towards-a-science-of-extraterrestrial-language-2/

Breaking the barrier: Travelling faster than light through wormhole
https://www.irjmets.com/paperdetail.php?paperId=4d23cdf2444153b0f43e5adaef792c0b&title=Breaking+the+barrier%3A+Travelling+faster+than+light+through+wormhole&authpr=Sanjib+Khadka+

erographite: a Candidate Material for Interstellar Photon Sailing
https://bis-space.com/shop/product/jbis-077-05-0142/

Revisiting the multi-planetary system of the nearby star HD 20794. Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf
https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202451769

Our Solar System Neighborhood: Three Diverging Tales of Planetary Habitability and Windows to Earth’s Past and Future
https://arxiv.org/abs/2411.01150

Origins of Super Jupiters: TOI-2145b Has a Moderately Eccentric and Nearly Aligned Orbit
https://arxiv.org/abs/2411.01356

Improving the parametrization of transport and mixing processes in planetary atmospheres: the importance of implementing the full Coriolis acceleration
https://arxiv.org/abs/2411.01920

A proposed signal discovery method in interstellar communication
https://arxiv.org/abs/2411.02081

November 04, 2024 Updates

Viable Wormhole Structures and Energy Conditions in f(Q,T) Theory
https://iopscience.iop.org/article/10.1088/1402-4896/ad897b

Ecocritical Explorations of the Climate Crisis: Planetary Precarity and Future Habitability
https://books.google.com/books?id=o6YtEQAAQBAJ

Precise Masses Reveal that TOI-700 c is Low Density and TOI-700 d is Rocky
https://www.researchsquare.com/article/rs-5161135/v1

Supernova sweep may have cleaned up our solar system
https://www.sciencedirect.com/science/article/abs/pii/S0262407924019262

The Search for the Inbetweeners: How packed are TESS planetary systems?
https://arxiv.org/abs/2411.00245

Space/Race: Octavia E. Butler, Off-Earth Futures, and Life Beyond Settlerism
https://academic.oup.com/isle/advance-article-abstract/doi/10.1093/isle/isae076/7852897?redirectedFrom=fulltext

Magnetic Field Evolution of Hot Exoplanets
https://arxiv.org/abs/2411.00674

Dust mass in protoplanetary disks with porous dust opacities
https://arxiv.org/abs/2411.00277

Chapter 19 – Oscillations in terrestrial planetary atmospheres
https://www.sciencedirect.com/science/article/abs/pii/B9780443156380000198

Chapter 18 – Equatorial stratospheric oscillations in planetary atmospheres
https://www.sciencedirect.com/science/article/abs/pii/B9780443156380000186

A generative model for Gaia astrometric orbit catalogs: selection functions for binary stars, giant planets, and compact object companions
https://arxiv.org/abs/2411.00088

November 01, 2024 updates

New Feynman Path Integral: Towards its Application to Black Holes and Traversable Worm Hole (ER=EPR)
https://www.researchgate.net/publication/385352028_New_Feynman_Path_Integral_Towards_its_Application_to_Black_Holes_and_Traversable_Worm_Hole_EREPR

Preface to Eta-Earth Revisited: How Common Are Earth-like Habitats in the Galaxy?
https://liebertpub.com/doi/10.1089/ast.2024.0116

Eta-Earth Revisited I: A Formula for Estimating the Maximum Number of Earth-Like Habitats
https://liebertpub.com/doi/10.1089/ast.2023.0075

Eta-Earth Revisited II: Deriving a Maximum Number of Earth-Like Habitats in the Galactic Disk
https://liebertpub.com/doi/10.1089/ast.2023.0076

An Absolute Mass, Precise Age, and Hints of Planetary Winds for WASP-121A and b from a JWST NIRSpec Phase Curve
https://iopscience.iop.org/article/10.3847/1538-3881/ad7fe7

Setting the stage: Building and maintaining a habitable world and the early conditions that could favor life’s beginnings on Earth and beyond
https://arxiv.org/abs/2410.23344

Diversities and similarities exhibited by multi-planetary systems and their architectures: I. Orbital spacings
https://arxiv.org/abs/2410.23399

Projections of Earth’s Technosphere: Luminosity and Mass as Limits to Growth
https://arxiv.org/abs/2410.23420

Radiatively Active Clouds and Magnetic Effects Explored in a Grid of Hot Jupiter GCMs
https://arxiv.org/abs/2410.23436

Ultraviolet Photometry and Habitable Zones of Over 2700 Planet-Hosting Stars
https://arxiv.org/abs/2410.23665