Loss of 12 Starlink Satellites Due to Pre-conditioning of Intense Space Weather Activity Surrounding the Extreme Geomagnetic Storm of 10 May 2024This study investigates the orbital decay and subsequent reentries of 12 Starlink satellites from 16 April to 15 May 2024. By examining Two-Line Element data, we observed a significant increase in…Ayisha M Ashruf, Ankush Bhaskar, C Vineeth et al.·Oct 21, 2024SaveLearn
Interaction of the Prominence Plasma within the Magnetic Cloud of an ICME with the Earth's Bow ShockThe magnetic cloud within an interplanetary coronal mass ejection (ICME) is characterized by high magnetic field intensities. In this study, we investigate the interaction of a magnetic cloud…Hadi Madanian, Li-Jen Chen, Jonathan Ng et al.·Oct 21, 2024SaveLearn
Direct Measurements of Synchrotron-Emitting Electrons at Near-Sun ShocksIn this study, we present the first-ever direct measurements of synchrotron-emitting heliospheric traveling shocks, intercepted by the Parker Solar Probe (PSP) during its close encounters. Given that…I. C. Jebaraj, O. V. Agapitov, M. Gedalin et al.·Oct 21, 2024SaveLearn
On the Low-Latitude Ionospheric Irregularities under Geomagnetically Active and Quiet Conditions using NavIC observables: A Spectral Analysis ApproachIonospheric irregularities and associated scintillations under geomagnetically active/quiet conditions have detrimental effects on the reliability and performance of space- and ground-based…Sumanjit Chakraborty, Abhirup Datta·Oct 14, 2024SaveLearn
Evidence for the evolution and decay of an electrified Medium Scale Traveling Ionospheric Disturbances during two consecutive substorms: First resultsElectrified Medium Scale Traveling Ionospheric Disturbances (EMSTIDs) is one of the prominent plasma structures that affect the propagation of high frequency radio waves. Overall, seasonal variation…R. Rathi, M. Sivakandan, D. Chakrabarty et al.·Oct 11, 2024SaveLearn
Nonlinear resonant interactions of radiation belt electrons with intense whistler-mode wavesThe dynamics of the Earth's outer radiation belt, filled by energetic electron fluxes, is largely controlled by electron resonant interactions with electromagnetic whistler-mode waves. The most…A. V. Artemyev, D. Mourenas, X. -J. Zhang et al.·Oct 9, 2024SaveLearn
Micro-scale Electrostatic Structures formed on the Rough Surfaces of the MoonIt is widely accepted that the surface potential of the lunar dayside is "on average" several to 10 V positive due to photoelectron emission in addition to the solar wind plasma precipitation. Recent…Y. Miyake, J. Nakazono, Y. Miyoshi et al.·Oct 8, 2024SaveLearn
Communication Constellation Design of Minimum Number of Satellites with Continuous Coverage and Inter-Satellite LinkThe recent advancement in research on distributed space systems that operate a large number of satellites as a single system urges the need for the investigation of satellite constellations.…Soobin Jeon, Sang-Young Park·Oct 4, 2024SaveLearn
A novel neural network-based approach to derive a geomagnetic baseline for robust characterization of geomagnetic indices at mid-latitudeGeomagnetic indices derived from ground magnetic measurements characterize the intensity of solar-terrestrial interaction. The Kp index derived from multiple magnetic observatories at…Rungployphan Kieokaew, Veronika Haberle, Aurélie Marchaudon et al.·Oct 3, 2024SaveLearn
On Energization and Loss of the Ionized Heavy Atom and Molecule in Mars' AtmosphereThe absence of global magnetic fields is often cited to explain why Mars lacks a dense atmosphere. This line of thought is based on a prevailing theory that magnetic fields can shield the atmosphere…J. -T. Zhao, Q. -G. Zong, Z. -Y. Liu et al.·Oct 1, 2024SaveLearn
Monitoring the daily variation of Sun-Earth magnetic fields using galactic cosmic raysThe interplanetary magnetic field (IMF) between the Sun and Earth is an extension of the solar magnetic field carried by the solar wind into interplanetary space. Monitoring variations in the IMF…The LHAASO Collaboration, C. W. Jiang, Y. Yang·Sep 29, 2024SaveLearn
Temperature anisotropy instabilities driven by intermittent velocity shears in the solar windWhere and under what conditions the transfer of energy between electromagnetic fields and particles takes place in the solar wind remains an open question. We investigate the conditions that promote…Simon Opie, Daniel Verscharen, Christopher H. K. Chen et al.·Sep 27, 2024SaveLearn
Variability in Footpoint Mapping of BBFs Using Tsyganenko Models: Impact on Swarm ConjunctionsMagnetospheric-ionospheric coupling studies often rely on multi-spacecraft conjunctions, which require accurate magnetic field mapping tools. For example, linking measurements from the magnetotail…Vanina Lanabere, Andrew P. Dimmock, Louis Richard et al.·Sep 27, 2024SaveLearn
Impact of solar wind turbulence on a planetary bow shockOver the past decades, near-Earth spacecraft observations have provided insights into the physics of the bow shock, suggesting that solar wind intrinsic turbulence influences the bow shock dynamics.…E. Behar, F. Pucci, C. Simon Wedlund et al.·Sep 26, 2024SaveLearn
Impact of the Out-of-Plane Flow Shear on Magnetic Reconnection at the Flanks of Earth's MagnetopauseMagnetic reconnection changes the magnetic field topology and facilitates the energy and particle exchange at magnetospheric boundaries such as the Earth's magnetopause. The flow shear perpendicular…Haoming Liang, Li-Jen Chen, Naoki Bessho et al.·Sep 25, 2024SaveLearn
Observation of Chaotic fluctuations in Turbulent PlasmaTurbulence is a prevalent phenomenon in space and astrophysical plasmas, often characterized by stochastic fluctuations. While laboratory experiments and numerical simulations have revealed chaotic…Riddi Bandyopadhyay, Nicolas V. Sarlis, James M. Weygand et al.·Sep 21, 2024SaveLearn
Radial Diffusion Driven by Spatially Localized ULF Waves in the Earth's MagnetosphereUltra-Low Frequency (ULF) waves are critical drivers of particle acceleration and loss in the Earth's magnetosphere. While statistical models of ULF-induced radial transport have traditionally…Adnane Osmane, Jasmine Sandhu, Tom Elsden et al.·Sep 19, 2024SaveLearn
Variation of Whistler-Mode Wave Characteristics Along Magnetic Field Lines: Comparison of Near-Equatorial THEMIS and Middle-Latitude ERG ObservationsThe latitudinal distribution of whistler-mode wave intensity plays a crucial role in determining the efficiency and energy of electrons scattered by these waves in the outer radiation belt.…Sophie Kadan, Xiao-Jia Zhang, Anton Artemyev et al.·Sep 15, 2024SaveLearn
The Structure and Kinetic Ion Behavior of Low Mach Number ShocksLow Mach number collisionless shocks are routinely observed in the solar wind and upstream of planetary bodies. However, most in situ observations have lacked the necessary temporal resolution to…D. B. Graham, Yu. V. Khotyaintsev·Sep 14, 2024SaveLearn
The April 2023 SYM-H = -233 nT Geomagnetic Storm: A Classical EventThe 23-24 April 2023 double-peak (SYM-H intensities of -179 and -233 nT) intense geomagnetic storm was caused by interplanetary magnetic field southward component Bs associated with an interplanetary…Rajkumar Hajra, Bruce Tsatnam Tsurutani, Quanming Lu et al.·Sep 12, 2024SaveLearn
Dependence of the Solar Wind Plasma Density on Moderate- and Extremely High-Geomagnetic Activity Elucidated by Potential LearningThe relationship between moderate and extremely high levels of geomagnetic activity, represented by the Kp index (2- to 5+ and 6- to 9), and solar wind conditions during southward IMF intervals was…Ryozo Kitajima, Motoharu Nowada, Ryotaro Kamimura·Sep 11, 2024SaveLearn
Structure and dynamics of the magnetopause and its boundary layersThe magnetopause is the key region in space for the transfer of solar wind mass, momentum, and energy into the magnetosphere. During the last decade, our understanding of the structure and dynamics…Hiroshi Hasegawa·Sep 9, 2024SaveLearn
Magnetospheric control of ionospheric TEC perturbations via whistler-mode and ULF wavesThe weakly ionized plasma in the Earth's ionosphere is controlled by a complex interplay between solar and magnetospheric inputs from above, atmospheric processes from below, and plasma…Yangyang Shen, Olga P. Verkhoglyadova, Anton Artemyev et al.·Sep 8, 2024SaveLearn
Statistical Characteristics of the Proton Isotropy BoundaryUsing particle data from the ELFIN satellites, we present a statistical study of 284 proton isotropy boundary events on the nightside magnetosphere, characterizing their occurrence and distribution…Colin Wilkins, Vassilis Angelopoulos, Anton Artemyev et al.·Sep 6, 2024SaveLearn
Electron shock drift acceleration at a low-Mach-number, low-plasma-beta quasi-perpendicular shockShock drift acceleration plays an important role in generating high-energy electrons at quasi-perpendicular shocks, but its efficiency in low beta plasmas is questionable. In this article, we perform…Ao Guo, Quanming Lu, San Lu et al.·Sep 5, 2024SaveLearn