Month: September 2023

September 28, 2023 updates

A robust, agnostic molecular biosignature based on machine learning https://www.pnas.org/doi/abs/10.1073/pnas.2307149120 Toward an Etiology of Spaceflight Neuroplastic Syndrome: Evolutionary Science Leads to New Hypotheses and Program Priorities https://www.mdpi.com/2673-4087/4/4/21 Thermodynamic limits on…

September 27, 2023 updates

Interstellar photovoltaics https://link.springer.com/article/10.1038/s41598-023-43224-5 Evidence that the Occurrence Rate of Hot Jupiters around Sun-like Stars Decreases with Stellar Age https://arxiv.org/abs/2309.14605 TOI-199 b: A well-characterized 100-day transiting warm giant planet with TTVs…

September 26, 2023 updates

A Conversational Framework for Interstellar Discourse on Fundamental Physical Structures https://www.preprints.org/manuscript/202309.1510/v1 HST/WFC3 Light Curve Supports a Terrestrial Composition for the Closest Exoplanet to Transit an M Dwarf https://iopscience.iop.org/article/10.3847/1538-3881/acf561 Relative abundances…

September 25, 2023 Updates

Life Beyond Earth https://link.springer.com/chapter/10.1007/978-3-031-23397-5_19 Modified Newtonian Dynamics as an Alternative to the Planet Nine Hypothesis https://iopscience.iop.org/article/10.3847/1538-3881/acef1e Planetesimals at DZ stars I: chondritic compositions and a massive accretion event https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad2867/7281028?searchresult=1 First…

September 22, 2023 updates

Visual Orbits and Alignments of Planet-hosting Binary Systems https://iopscience.iop.org/article/10.3847/1538-3881/acf563 Tidally Excited Inertial Waves in Stars and Planets: Exploring the Frequency-dependent and Averaged Dissipation with Nonlinear Simulations https://iopscience.iop.org/article/10.3847/2041-8213/acf49f Thermal Conductivity of…

September 21, 2023 updates

Magma Ocean, Water, and the Early Atmosphere of Venus https://link.springer.com/article/10.1007/s11214-023-00995-7 Origin-of-life Molecules in the Atmosphere after Big Impacts on the Early Earth https://iopscience.iop.org/article/10.3847/PSJ/aced83 Development and suborbital validation of technologies for…

September 20, 2023 updates

Assessment of Stoichiometric Autocatalysis across Element Groups https://pubs.acs.org/doi/10.1021/jacs.3c07041 Integrated photonic-based coronagraphic systems for future space telescopes https://arxiv.org/abs/2309.04925 Mysterious non-detection of HeI (23S) transit absorption of GJ436b https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad2846/7277576 Octofitter: Fast, Flexible,…

September 19, 2023 updates

Finding exoplanets using object detection https://link.springer.com/article/10.1007/s10509-023-04232-z Investigation of the Effect of the Errors of Limb Darkening Coefficients on the Geometric Parameters of a Binary System with an Exoplanet https://link.springer.com/article/10.1134/S1063772923060021 Photosynthesis…

September 18, 2023 Updates

7 – Possible Conditions on an Exoplanet from Part II – The Universe We Live In https://www.cambridge.org/core/books/abs/life-and-language-beyond-earth/possible-conditions-on-an-exoplanet/D2ABA5677747CBB71043FA35B1E56386 Self-consistent simulation of photoelectrons in exoplanet winds: Faster ionisation and weaker mass loss…

September 15, 2023 updates

On the non-dissipative tidal evolution of the misalignment between spin and orbital angular momenta https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad2807/7274141 Reflected Spectroscopy of Small Exoplanets. III. Probing the UV Band to Measure Biosignature Gases https://iopscience.iop.org/article/10.3847/1538-3881/acefd3…

September 13, 2023 updates

Detecting molecules in Ariel low resolution transmission spectra https://link.springer.com/article/10.1007/s10686-023-09911-x Exploring Uncertainty and Risk in Contemporary Astrobiology (EURiCA) https://www.durham.ac.uk/research/institutes-and-centres/humanities-engaging-science-society/research/eurica-project-leverhulme/ The GAPS Programme at TNG – XLVII. A conundrum resolved: HIP 66074b/Gaia-3b…

September 12, 2023 updates

Webb Discovers Methane, Carbon Dioxide in Atmosphere of K2-18 b https://www.nasa.gov/goddard/2023/webb-discovers-methane-carbon-dioxide-in-atmosphere-of-k2-18b Carbon-bearing Molecules in a Possible Hycean Atmosphere https://arxiv.org/abs/2309.05566 Stellar obliquity and planetary albedo in HAT-P-32 – Derived from the…

September 11, 2023 Updates

Do all gaps in protoplanetary discs host planets? https://www.aanda.org/articles/aa/full_html/2023/09/aa47264-23/aa47264-23.html Radial distribution of giant exoplanets at Solar System scales https://www.aanda.org/articles/aa/full_html/2023/09/aa46165-23/aa46165-23.html Claims of interstellar meteor fragments in the ocean spark controversy https://www.sciencedirect.com/science/article/abs/pii/S0262407923016688…

September 08, 2023 updates

Trajectory of a Spacecraft When It Passes by a Gravitational Body During Interstellar Travel https://arc.aiaa.org/doi/10.2514/1.A35684 Planetary biotechnospheres, biotechnosignatures and the search for extraterrestrial intelligence https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/planetary-biotechnospheres-biotechnosignatures-and-the-search-for-extraterrestrial-intelligence/089931BD61982779CCA1EDF6861E7472 Giant Impact Events for Protoplanets:…

September 06, 2023 updates

Testing the planetary hypothesis of NY Virginis: Anticipated change in the eclipse timing trend within the next five years https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad2648/7260857 Doppler confirmation of TESS planet candidate TOI1408.01: grazing transit and…

September 05, 2023 updates

Exploration of Traversable Wormholes Sustained by an Extra Spatial Dimension https://www.scirp.org/journal/paperinformation.aspx?paperid=127395 Planetary Scale Information Transmission in the Biosphere and Technosphere: Limits and Evolution https://www.mdpi.com/2075-1729/13/9/1850 Plate Tectonics: The Stabilizer of Earth’s…

September 04, 2023 Updates

The modulation effect of ice thickness variations on convection in icy ocean worlds https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad2638/7259159?redirectedFrom=fulltext Impact of M-dwarf stellar wind and photoevaporation on the atmospheric evolution of small planets https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad2557/7258664?redirectedFrom=fulltext Detection…

September 01, 2023 updates

A JWST transmission spectrum of the nearby Earth-sized exoplanet LHS 475 b https://www.nature.com/articles/s41550-023-02064-z Post-processing CHARIS integral field spectrograph data with pyKLIP https://academic.oup.com/rasti/advance-article/doi/10.1093/rasti/rzad039/7257599 TOI-332 b: A super dense Neptune found deep…