Parallel and perpendicular diffusion of energetic particles in the near-Sun solar wind observed by Parker Solar ProbeWe investigate energetic particle diffusion in the inner heliosphere (approximately 0.06-0.3 AU) explored by Parker Solar Probe (PSP). Parallel (kappaparallel) and perpendicular (kappaperp)…Nibuna Siranjeevi Madam Subashchandar, Lingling Zhao, Andreas Shalchi et al.·Sep 12, 2025SaveLearn
Comparing Simulated and Observed Particle Energy Distributions through Magnetic Reconnection in Earth's MagnetotailMagnetic reconnection is an explosive process that accelerates particles to high energies in Earth's magnetosphere, offering a unique natural laboratory to study this phenomenon. This study…Nadja Reisinger, Fabio Bacchini·Sep 9, 2025SaveLearn
A polynomial-based Monte Carlo approach for estimating long-term collision probabilitiesThis paper introduces a versatile approach for computing the risk of collision specifically tailored for scenarios featuring low relative encounter velocities, but with potential applicability across…Andrea Zollo, Cristina Parigini, Roberto Armellin et al.·Sep 9, 2025SaveLearn
Magnetic Field and Plasma Asymmetries Between the Martian Quasi-Perpendicular and Quasi-Parallel MagnetosheathsThe Martian magnetosheath acts as a conduit for mass and energy transfer between the upstream solar wind and its induced magnetosphere. However, our understanding of its global properties remains…Abigail Tadlock, Chuanfei Dong, Chi Zhang et al.·Sep 8, 2025SaveLearn
Response of Ionospheric Total Electron Content to the Impulsive and Late Phases of X-Class Solar Flares with Various Center-to-Limb LocationsDuring a solar flare, the fluxes in various lines and continua of the solar spectrum increase, leading to enhanced ionization of the illuminated part of the Earth's ionosphere and an increase in the…S. Z. Bekker, R. O. Milligan, I. A. Ryakhovsky·Aug 29, 2025SaveLearn
On the Regulation of the Solar Wind Helium Abundance by the Hydrogen CompressibilityTraditionally, fast solar wind is considered to originate in solar source regions that are continuously open to the heliosphere and slow wind originates in regions that are intermittently open to it.…B. L. Alterman, R. D'Amicis·Aug 28, 2025SaveLearn
Variability in energetic particle observations at strong interplanetary shocks: Multi-spacecraft observationsContext. Interplanetary (IP) shock waves offer an unparalleled opportunity to directly study the elusive mechanisms of particle acceleration that are pervasive in our Universe. Novel spacecraft…Domenico Trotta, Timothy S. Horbury, Joe Giacalone·Aug 27, 2025SaveLearn
∇ · B, outer boundary, and Biot-Savart in magnetosphere MHD simulationsWe examine the size of ∇ · B and outer surface boundary integrals in estimating the surface magnetic field from magnetohydrodynamic (MHD) simulations.…Dean Thomas, Robert S. Weigel, Gary Quaresima et al.·Aug 25, 2025SaveLearn
Auto-Cal: Automated and Continuous Geo-Referencing of All-Sky Imagers Using Fisheye Lens Modeling and Star TracksA fully automated and continuous calibration framework for All-Sky Imagers (ASIs) that significantly enhances the spatial accuracy and reliability of geo-referenced ASI data is presented. The…Sudha Kapali, Michael P. Henderson, Juanita Riccobono et al.·Aug 23, 2025SaveLearn
Simulation of Space Platform Charging in Very Low Earth Orbit Using Stochastic Particle MethodsThe residual atmospheric drag on satellites in Very Low Earth Orbit (VLEO) has been recognized as a limiting factor for satellite lifetimes. This work focuses on one component of the drag, i.e., the…J. Skacel, P. Parodi, G. Gangemi et al.·Aug 21, 2025SaveLearn
Real-time prediction of two geomagnetic storms using Solar Orbiter as a far upstream solar wind monitorWe present the first real-time predictions of coronal mass ejection (CME) magnetic structure and resulting geomagnetic impact at Earth for two events using far-upstream observations from Solar…Emma E. Davies, Eva Weiler, Christian Möstl et al.·Aug 19, 2025SaveLearn
A Neural-Network Framework for Tracking and Identification of Cosmic-Ray Nuclei in the RadMap TelescopeWe present a neural-network framework designed to reconstruct the properties of cosmic-ray nuclei traversing the scintillating-fiber tracking calorimeter of the RadMap Telescope. Employing the Geant4…Luise Meyer-Hetling, Martin J. Losekamm, Stephan Paul et al.·Aug 18, 2025SaveLearn
The effect of uncertainties in reproducing the ambient solar wind at Earth on forecasting CME arrival timesCoronal Mass Ejections (CMEs) are the major drivers of Space Weather (SWx), so predicting their arrival at Earth is a major aspect of SWx forecasting. Despite increasingly complex models proposed…Syed Raza, Talwinder Singh, Nikolai Pogorelov·Aug 15, 2025SaveLearn
Space Environment and Debris: A Review of Micro-Meteoroids and Orbital Debris Impact ProtectionThe threat posed by MMOD to spacecraft has escalated with the growing density of orbital objects, driven by the proliferation of satellite constellations such as Starlink and OneWeb. This paper…Binkal Kumar Sharma, Harshitha Baskar·Aug 5, 2025SaveLearn
Verification of the NOAA Space Weather Prediction Center solar flare forecast (1998-2024)The NOAA Space Weather Prediction Center (SWPC) issues the official U.S. government forecast for M-class and X-class solar flares, yet the skill of these forecasts has never been comprehensively…Enrico Camporeale, Thomas E. Berger·Aug 1, 2025SaveLearn
Extreme Solar Storm Reveals Causal Interactions in Space WeatherSolar storms perturb Earth's magnetosphere, triggering geomagnetic storms that threaten space-based systems and infrastructure. Despite advances in spaceborne and ground-based observations, the…Xinan Dai, Haiyang Fu, Zichong Yan et al.·Jul 27, 2025SaveLearn
Chorus Wave Driven Electron Dynamics in the Van Allen Belts: From Coherence to DiffusionThe Van Allen radiation belts contain relativistic electrons trapped by Earth's magnetic field, posing serious risks to spacecraft. Chorus waves are known to accelerate these electrons via resonant…Xin Tao, Zeyu An, Fulvio Zonca et al.·Jul 25, 2025SaveLearn
One Year of ASPEX-STEPS Operation: Characteristic Features, Observations and Science PotentialThe SupraThermal and Energetic Particle Spectrometer (STEPS), a subsystem of the Aditya Solar wind Particle EXperiment (ASPEX) onboard India's Aditya-L1 satellite, is designed to study different…Jacob Sebastian, Bijoy Dalal, Aakash Gupta et al.·Jul 24, 2025SaveLearn
Torqued Accelerator using Radiation from the Sun (TARS) for Interstellar PayloadsThe concept of exploring space using solar power is energetically appealing, but interstellar solar sails typically require extremely low areal densities (~g/m2). This work explores an alternative…David Kipping, Kathryn Lampo·Jul 23, 2025SaveLearn
ARTEMIS observations of electrostatic shocks inside the lunar wakeWhen the solar wind encounters the Moon, a plasma void forms downstream of it, known as the lunar wake. In regions where the magnetic field is quasi-parallel to the plasma-vacuum boundary normal,…Terry Z. Liu, Xin An, Vassilis Angelopoulos et al.·Jul 21, 2025SaveLearn
Occurrence of Non-Stationarity at Earth's Quasi-Perpendicular Bow ShockCollisionless shocks can exhibit non-stationary behavior even under steady upstream conditions, forming a complex transition region. Ion phase-space holes, linked to shock self-reformation and…Ajay Lotekar, Yuri V. Khotyaintsev, Daniel B. Graham et al.·Jul 18, 2025SaveLearn
Multi-directional investigations on quiet time suprathermal ions measured by ASPEX-STEPS on-board Aditya L1The origin, acceleration and anisotropy of suprathermal ions in the interplanetary medium during quiet periods have remained poorly understood issues in solar wind physics. To address these aspects,…Aakash Gupta, Dibyendu Chakrabarty, Santosh Vadawale et al.·Jul 16, 2025SaveLearn
Kinetic renormalization of auroral turbulenceDriven-dissipative systems often exhibit self-organization in the form of coherent dissipative structures. However, observing such critical states in natural plasmas remains elusive, leading to the…Magnus F Ivarsen, Kaili Song, Luca Spogli et al.·Jul 15, 2025SaveLearn
Observation of a Knotted Electron Diffusion Region in Earth's Magnetotail ReconnectionMagnetic reconnection is a fundamental plasma process that alters the magnetic field topology and releases magnetic energy. Most numerical simulations and spacecraft observations assume a…Xinmin Li, Chuanfei Dong, Hantao Ji et al.·Jul 14, 2025SaveLearn
Investigating the Reliability of the AfriTEC Model During the Descending Phase of Solar Cycle 24 Across East AfricaThis study investigates the reliability of the African Regional Ionospheric Total Electron Content (AfriTEC) model during the descending phase of Solar Cycle 24 (2016-2017) across East Africa. Using…Efrem Amanuel Data, Daniel Izuikedinachi Okoh, Emmanuel Daudi Sulungu et al.·Jul 14, 2025SaveLearn