CLARE: Classification-based Regression for Electron Temperature PredictionElectron temperature (Te) is an important parameter governing space weather in the upper atmosphere, but has historically been underexplored in the space weather machine learning literature. We…Michael Liang, Blake DeHaas, Naomi Maruyama et al.·Mar 12, 2026SaveLearn
Auroral Acceleration Generates Electron Beams in Jupiter's Middle MagnetosphereObservations made by the Juno spacecraft above Jupiter's polar regions have revealed that electrons accelerated toward Jupiter, which contribute to auroral emissions, are frequently accompanied by…June Piasecki, Joachim Saur, George Clark et al.·Mar 11, 2026SaveLearn
Turbulent Heating between 0.2 and 1 au: A Numerical StudyThe heating of the solar wind is a key to understand its dynamics and acceleration process. The observed radial decrease of proton temperature in the solar wind is slow compared to the adiabatic…Victor Montagud-Camps, Roland Grappin, Andrea Verdini·Mar 1, 2026SaveLearn
Anomalous cosmic rays within the inner heliosphere: Observations of helium by the High Energy Telescope onboard Solar OrbiterRadial gradients of cosmic rays are key parameters for understanding the transport of particles in space. Solar Orbiter, launched on 2020 February 10, approaches the Sun approximately every half…Zigong Xu, Robert F. Wimmer-Schweingruber, Lars Berger et al.·Feb 25, 2026SaveLearn
Fluctuating polytropic processes, turbulence, and heatingThis paper explores the thermodynamics of fluctuating polytropic processes and their connection to turbulence. It is shown that random fluctuations of polytropic processes produce a nonzero overall…G. Livadiotis, D. J. McComas·Feb 25, 2026SaveLearn
The Free-Electron Laser Model of Magnetospheric ChorusChorus waves are electromagnetic waves named for their resemblance to birds chirping at dawn when their radio frequencies are played as audio. The amplification of chorus in Earth's magnetosphere has…Brandon Bonham·Feb 20, 2026SaveLearn
Scattering and sputtering on the lunar surface; Insights from negative ions observed at the surfaceContext. Airless planetary bodies are directly exposed to solar wind ions, which can scatter or become implanted upon impact with the regolith-covered surface, while also sputtering surface atoms.…Romain Canu-Blot, Martin Wieser, Umberto Rollero et al.·Feb 18, 2026SaveLearn
Theoretical calculation of the antenna impedance and shot noise at low-frequencies: application to Parker Solar ProbeThe voltage power spectral density measured around the ambient plasma frequency in space is not affected by spacecraft perturbations that impact traditional plasma analysers. The spectroscopy of this…Nicole Meyer-Vernet, Baptiste Verkampt, Pietro Dazzi et al.·Feb 14, 2026SaveLearn
Leveling of MHD turbulence imbalance in shear flowsWe investigate magnetohydrodynamic (MHD) turbulence in plane shear flows with a streamwise background magnetic field in the super-Alfv\'enic regime. We show that the large-scale velocity shear…M. Kavtaradze, G. Mamatsashvili, G. Chagelishvili et al.·Feb 13, 2026SaveLearn
Shocks, compressible perturbations, and intermittency in the very local interstellar medium: Voyager 1 and 2 observations and numerical modelingVoyager spacecraft (V1 and V2) provide unique in situ measurements of perturbations propagating beyond the heliopause through the very local interstellar medium (VLISM), including the shocks and…Federico Fraternale, Nikolai V. Pogorelov, Ratan Bera et al.·Feb 11, 2026SaveLearn
Venting and Outgassing Simulations of Pressurized Lunar Modules: Contamination of the Lunar EnvironmentOne objective of Artemis science is to determine the impact human activities have on the lunar environment, which might compromise science objectives and measurements. We perform a preliminary…Stefano Boccelli, William M. Farrell, Prabal Saxena et al.·Feb 5, 2026SaveLearn
Auroral signatures of ballooning instability and plasmoid formation processes in the near-Earth magnetotailThe nonlinear development of ballooning instability and the subsequently induced plasmoid formation in the near-Earth magnetotail demonstrated in MHD simulations has been proposed as a potential…Ping Zhu, Jun Liang, Jiaxing Liu et al.·Feb 4, 2026SaveLearn
Effects of the May 2024 Solar Storm on the Earth's Radiation Belts Observed by CALET on the International Space StationIn May 2024, extraordinary solar activity triggered a powerful solar storm, impacting Earth and producing the extreme geomagnetic storm of May 10-11, the most intense since 2003. This had significant…Anthony Ficklin, Alessandro Bruno, Lauren Blum et al.·Feb 3, 2026SaveLearn
Generation and Expansion-Driven Growth of Switchbacks in the Outer Solar Corona and Solar WindWe analyze Parker Solar Probe and Solar Orbiter measurements of magnetic-field reversals (``switchbacks'') across the Alfv\'en surface (Ma 1), where Ma is the Alfv\'en Mach…Nikos Sioulas, Marco Velli, Chen Shi et al.·Feb 3, 2026SaveLearn
Where Does Tracing of Cosmic Ray in Real Atmosphere Terminate?In backtracing simulations, which are widely employed to determine cosmic-ray particle trajectories in the geomagnetic field, the atmosphere is typically approximated as an artificial sharp boundary…Du-Xin Zheng, Long Chen, Ran Huo·Feb 3, 2026SaveLearn
Ionospheric Observations from the ISS: Overcoming Noise Challenges in Signal ExtractionThe Electric Propulsion Electrostatic Analyzer Experiment (\`EP\`EE) is a compact ion energy bandpass filter deployed on the International Space Station (ISS) in March 2023 and providing continuous…Rachel Ulrich, Kelly R. Moran, Ky Potter et al.·Feb 2, 2026SaveLearn
Geoelectric Field Caused by Flux Transfer Events in an Ionosphere-Coupled Vlasiator SimulationWe report on the relationship between flux transfer events (FTEs) at Earth's magnetopause and the geoelectric field that is induced near the FTEs' magnetic footpoints. We study this system using the…Konstantinos Horaites, Markku Alho, Yann Pfau-Kempf et al.·Feb 2, 2026SaveLearn
Sunward Streaming 3He-rich SEP Events Observed by Solar Orbiter and Parker Solar Probe during Perihelion PassageWe report on two 3He-rich solar energetic particle (SEP) events observed by Solar Orbiter (SO) and Parker Solar Probe (PSP) during the April 1 - 4, 2024 conjunction when both spacecraft are within…Samuel T. Hart, George C. Ho, Michael R. Terres et al.·Jan 28, 2026SaveLearn
Multi-Scale Irregularities Product: a data product utilizing the high-resolution Swarm plasma density data for space weather applicationsWe use the high-resolution Swarm faceplate plasma density data at 16 Hz to develop a set of parameters that can characterize multi-scale ionospheric structures and irregularities along the Swarm…Yaqi Jin, Luca Spogli, Daria Kotova et al.·Jan 22, 2026SaveLearn
Physicochemical properties of lunar regolith simulant for in situ oxygen productionPermanent lunar settlements will rely on in situ oxygen production from regolith for life support and propulsion. While oxygen is abundant in lunar materials, it is chemically bound within metal…Alyssa Ang De Guzman, Anish Mathai Varghese, Saif Alshalloudi et al.·Jan 21, 2026SaveLearn
Deterministic and probabilistic neural surrogates of global hybrid-Vlasov simulationsHybrid-Vlasov simulations resolve ion-kinetic effects in the solar wind-magnetosphere interaction, but even 5D (2D + 3V) configurations are computationally expensive. We show that graph-based machine…Daniel Holmberg, Ivan Zaitsev, Markku Alho et al.·Jan 18, 2026SaveLearn
Explaining the discrepancy in the Chandler period and the prediction of the changes in the Earths rotation dynamicsIn this paper, in the first instance the attitude dynamics of the Earth is modelled based on physical principles so as to correctly predict the Chandler wobble and its features such as its period. To…Ranjan Vepa·Jan 12, 2026SaveLearn
Self-organization of local streamline structures and energy transfer rate in compressible plasma turbulenceWe examine how local streamline topology and energy cascade rate self-organize in plasma turbulence for both compressible and incompressible regimes. Using a fully-compressible…Simone Benella, Virgilio Quattrociocchi, Emanuele Papini et al.·Jan 9, 2026SaveLearn
An integration-free method for calculating curl and divergence in space plasmas using multi-spacecraft dataThe knowledge of local spatial gradients (curl, divergence etc.) is crucial to examine the three-dimensional variation of flow fields including velocity and magnetic fields in space plasmas like the…Rohan Singh, Supratik Banerjee, Arijit Halder·Jan 8, 2026SaveLearn
Properties of Magnetic Switchbacks in the Near-Sun Solar WindMagnetic switchbacks are fluctuations in the solar wind in which the interplanetary magnetic field sharply deflects away from its background direction so as to create folds in magnetic field lines…Samuel T. Badman, Naïs Fargette, Lorenzo Matteini et al.·Jan 7, 2026SaveLearn