Data-driven prediction of atomic-oxygen erosion yield in polymers from bulk physical propertiesAtomic oxygen (AO) erodes polymer surfaces in low Earth orbit, but durability data are limited. We evaluated a regression ensemble trained on 37 MISSE-2 polymers using eight selected bulk properties…Youngwoo Choi, Doeun Koo, Seungbum Hong et al.·Oct 6, 2026SaveLearn
What Caused the Orbital Decay of the Twin Van Allen Probes to Diverge?The Van Allen Probes were launched into nearly identical orbits and experienced the same solar and geomagnetic environment, yet their post-mission lifetimes diverged dramatically. Probe A underwent…Ayisha M Ashruf, Ankush Bhaskar, C Vineeth et al.·Oct 4, 2026SaveLearn
A Student Sounding Rocket Experiment to Probe Electron Density in the Lower IonosphereEarth's ionosphere is primarily generated by the Sun's ionization of atoms in the upper atmosphere. This plasma environment is highly dynamic, exhibits strong spatial and temporal, variations…Joshua Goodwill, Timothy Tomaszewski, Jarrod Bieber et al.·Oct 1, 2026SaveLearn
Revisiting magnetotelluric theory: layered induction and geoelectric fieldsWe review the magnetotelluric (MT) theory of a horizontally layered Earth under plane wave forcing and its use in calculating geoelectric fields. Starting from Maxwell's equations, we derive the…Dennies Bor·Sep 30, 2026SaveLearn
Temporal Correlation between Ionospheric Storm-Enhanced Density Plume and Plasmaspheric Plume OccurrenceWe present a statistical evidence of a temporal correlation between ionospheric storm-enhanced density (SED) and plasmaspheric plumes during magnetic storms. We identified SED plumes in 75 storms…Xiangning Chu, Shunrong Zhang, Jacob Bortnik et al.·Sep 28, 2026SaveLearn
Spectral Properties of Solar Wind Charge Exchange from Earth's Magnetospheric Boundaries: MHD and Test Particle SimulationsThe Solar Wind Charge Exchange (SWCX) mechanism, where X-rays can be generated through interactions between heavy, highly charged solar wind ions and neutral atoms, offers an opportunity to observe…A. Ramachandran, R. T. Desai, H. L. Norman et al.·Sep 28, 2026SaveLearn
P2D - A Two-Dimensional Multi-Spacecraft Solar Wind Persistence ModelThe background solar wind is a key component in space weather forecasting, as it contains geoeffective high-speed streams and provides the medium through which coronal mass ejections propagate and…Daniel Milošić, Manuela Temmer, Stephan G. Heinemann et al.·Sep 28, 2026SaveLearn
An autonomous approach to model daytime behavior of sub-ionospheric VLF signals over short and medium propagation paths in IndiaWe present an autonomous model to simulate the daytime variation of sub-ionospheric Very Low Frequency (VLF) signal amplitude, beginning with the computation of the D-region electron density by…Sayak Chakraborty, Tamal Basak, Sourav Palit et al.·Sep 27, 2026SaveLearn
Electric Potential Patterns Forecasting in the Southern Hemisphere with Deep Learning TechniquesSpace weather disturbances driven by the solar wind can degrade satellite navigation, disrupt radio communications, and threaten power infrastructure, making accurate forecasting of the high-latitude…Francesco Pio Ramunno, Simone Mestici, Igino Coco et al.·Sep 25, 2026SaveLearn
The Localized 12-hour Wave Over Alaska: Leveraging Meridional Wind Measurements From the Sodium LidarThe 12-h wave in meridional winds in the mesosphere and lower thermosphere (MLT) during the solar minimum 2018-2019 Arctic winter is investigated using sodium lidar observations at Poker Flat…Sophie R. Phillips, Katrina Bossert, Komal Kumari et al.·Sep 22, 2026SaveLearn
First Observation of a Polar Coronal Hole-like Fast Solar Wind Stream in the Sub-Alfvénic Solar Corona: an Analysis of Turbulence PropertiesParker Solar Probe, near its 23rd perihelion in March 2025, sampled an extended interval of sub-Alfvénic solar wind likely originating from a large equatorial coronal hole. At heliocentric distances…Riddhi Bandyopadhyay, Sujan Prasad Gautam, William H. Matthaeus et al.·Sep 22, 2026SaveLearn
Predicting low-latitude ionospheric Total Electron Content (TEC) over the Indian sector under variable space weather conditions using solar wind parametersAccurate prediction of ionospheric Total Electron Content (TEC) during geomagnetically disturbed conditions remains challenging, particularly when empirical models perform poorly during storms and…Sumanjit Chakraborty, Gopi K. Seemala, A. P. Dimri·Sep 20, 2026SaveLearn
Interhemispheric differences in field-aligned currents, ground magnetic perturbations, and TEC during the geomagnetic storms of May and October 2024This study investigates storm-to-storm variability and hemispheric differences in magnetosphere-ionosphere (MI) coupling during the extreme (G5) geomagnetic storm of May 10-11 and the severe (G4)…Sumanjit Chakraborty, Gopi K. Seemala·Sep 20, 2026SaveLearn
Microphysical Diversity in Two Very Closely Spaced Magnetic Switchbacks Observed by Parker Solar ProbeParker Solar Probe observations near the Sun reveal frequent, sudden reversals of the magnetic field known as switchbacks (SBs). Despite their ubiquity, the internal plasma structure and associated…Dipali Vadher, Ankush Bhaskar, Smitha Thampi et al.·Sep 17, 2026SaveLearn
Alfvénicity and Proximity to Parallel-Mode Marginal Stability in the Slow Solar WindThe proton temperature anisotropy in the solar wind is bounded by the thresholds of pressure-anisotropy-driven kinetic instabilities, and the distance at which the plasma settles from these…Mani K Chettri, Rupak Mukherjee, Hemam D. Singh·Sep 15, 2026SaveLearn
Low-frequency Intermittency and Structures in the Solar Wind at 1 auIntermittency in the solar wind is commonly studied within the inertial and dissipative ranges, where scale-dependent magnetic field distributions become increasingly non-Gaussian toward smaller…Jiaming Wang, Francesco Pecora, Yan Yang et al.·Sep 10, 2026SaveLearn
Cascade models of anisotropic turbulence in magnetized plasma of solar windWe present a physical framework for Alfvénic solar wind turbulence in which the plasma is modeled as discrete domains with local rotational symmetry about the domain-mean magnetic field. Using this…A. Bershadskii·Sep 9, 2026SaveLearn
AETHER-P3 Nowcast v1.0: Model Description, Training-Data Construction, and Validation Technical report prepared in support of CCMC onboardingAETHER-P3 Nowcast v1.0 is a machine-learning-based global thermospheric neutral-density model developed for low-Earth-orbit applications and prepared for onboarding to NASA's…Ruochen Wang, Xiaoli Bai·Sep 6, 2026SaveLearn
Direct Four-Spacecraft Measurement of Reconnection Exhaust Thickness in the Solar WindThe thickness of a reconnecting solar wind current sheet is normally inferred from a single spacecraft as the product of the boundary-normal speed and the crossing duration. Multipoint measurements…Mani K Chettri, Rupak Mukherjee, Hemam D. Singh·Sep 2, 2026SaveLearn
Solar Magnetic Configuration Control over Radiation Belt ElectronsEarth is surrounded by two highly dynamic concentric belts of particle radiation. The outer radiation belt exhibits coherent variability at solar-cycle, seasonal, and 27-day (Carrington) timescales.…Ahmad Lalti, Jonathan Rae, Clare Watt et al.·Aug 28, 2026SaveLearn
Statistical Models of Ionospheric Variability and Irregularities in the Topside Ionosphere Based on the Swarm Satellite DataThe ionosphere is a highly complex plasma containing electron density structures with a wide range of spatial scales. Coupling of the ionosphere with the Earth's magnetosphere and the solar wind,…Daria Kotova, Alan Wood, Eelco Doornbos et al.·Aug 27, 2026SaveLearn
A quiet STEVE disturbs navigation satellites' signals in the AntarcticStrong Thermal Emission Velocity Enhancement (STEVE) is a narrow optical phenomenon that occurs equatorward of the auroral oval and is associated with intense subauroral plasma flows and…Daria Kotova, Luca Spogli, Yaqi Jin et al.·Aug 26, 2026SaveLearn
Empirical Relationship for Geomagnetically Induced Currents (GIC) and Solar Wind ConditionsGeomagnetically induced currents (GICs) during extreme space weather events represent a critical hazard to modern infrastructure, including electrical power grids, telecommunication systems,…Dean Thomas, Lucy A. Wilkerson, Robert S. Weigel et al.·Aug 26, 2026SaveLearn
Comprehensive solar eruption analyses enabled by the tools of the SOLER projectSolar eruptions comprise of a multitude of phenomena such as flares, coronal mass ejections (CMEs), large-scale coronal waves, radio bursts, and energetic particles traveling through interplanetary…Nina Dresing, Jan Gieseler, Markus Baumgartner-Steinleitner et al.·Aug 25, 2026SaveLearn
Evolution of lunar wake potentials: structure, energy conversion, and their imprints on velocity distributionsWe study the evolution of electric potentials in the lunar wake. The wake potential exhibits two distinct spatial scales. The macroscopic scale arises from solar wind expansion into the vacuum, with…Xin An, Vassilis Angelopoulos, Jasper S. Halekas et al.·Aug 18, 2026SaveLearn