Emergence of two inertial sub-ranges in solar wind turbulence: dependence on heliospheric distance and solar activityThe solar wind is highly turbulent, and intermittency effects are observed for fluctuations within the inertial range. By analyzing magnetic field spectra and fourth-order moments, we perform a…Shiladittya Mondal, Supratik Banerjee, Luca Sorriso-Valvo·Sep 4, 2024SaveLearn
Effective dose equivalent estimation for humans on MarsExposure to cosmic radiation is a major concern in space exploration. On the Martian surface, a complex radiation field is present, formed by a constant influx of galactic cosmic radiation and the…Miguel Ralha, Pedro Teles, Nuno Santos et al.·Sep 3, 2024SaveLearn
Derivation of generalized Kappa distribution from scaling properties of solar wind magnetic field fluctuations at kinetic scalesKinetic scale dynamics in weakly-collisional space plasmas usually exhibits a self-similar statistics of magnetic field fluctuations which implies the existence of an invariant probability density…Daniele Belardinelli, Simone Benella, Mirko Stumpo et al.·Sep 3, 2024SaveLearn
Review of the August 1972 and March 1989 Space Weather Events: Can We Learn Anything New From Them?Updated summaries of the August 1972 and March 1989 space weather events have been constructed. The features of these two events are compared to the Carrington 1859 event and a few other major space…Bruce T. Tsurutani, Abhijit Sen, Rajkumar Hajra et al.·Aug 31, 2024SaveLearn
Earth's Alfv\'en Wings: Unveiling Dynamic Variations of Field-line Topologies with Electron DistributionsThe magnetic cloud (MC) of the Coronal Mass Ejection on April 24, 2023, contains sub-Alfv\'enic solar wind, transforming Earth's magnetosphere from conventional bow-shock magnetotail configuration…Harsha Gurram, Jason R. Shuster, Li-Jen Chen et al.·Aug 30, 2024SaveLearn
Relativistic and Ultra-Relativistic Electron Bursts in Earth's Magnetotail Observed by Low-Altitude SatellitesEarth's magnetotail, a night-side region characterized by stretched magnetic field lines and strong plasma currents, is the primary site for the release of magnetic field energy and its…Xiao-Jia Zhang, Anton V. Artemyev, Xinlin Li et al.·Aug 30, 2024SaveLearn
Evaluating Near-Real Time Thermospheric Density Retrieval Methods from Precise Low Earth Orbit Spacecraft Ephemerides During Geomagnetic StormsCharacterizing the density of the thermosphere during geomagnetic storms is critical for both thermosphere modelling efforts and satellite operations. Accurate near-real time density estimates can…Charles Constant, Santosh Bhattarai, Indigo Brownhall et al.·Aug 29, 2024SaveLearn
Interplanetary Causes and Impacts of the 2024 May Superstorm on the Geosphere: An OverviewThe recent superstorm of 2024 May 10-11 is the second largest geomagnetic storm in the space age and the only one that has simultaneous interplanetary data (there were no interplanetary data for the…Rajkumar Hajra, Bruce Tsatnam Tsurutani, Gurbax Singh Lakhina et al.·Aug 27, 2024SaveLearn
Low-cost Monitoring of Energetic Particle Precipitation: Weather Balloon-borne Timepix Measurements During the May 2024 SuperstormUnderstanding energetic electron precipitation is crucial for accurate space weather modeling and forecasting, impacting the Earth's upper atmosphere and human infrastructure. This study presents a…L. Olifer, P. Manavalan, D. Headrick et al.·Aug 26, 2024SaveLearn
Study of the relativistic charged particle beam propagation in Earth's magnetic fieldRelativistic charged particle beam can be used as destructive beam weapons in space for debris removal tasks. The trajectories of charged particles are affected by both electric and magnetic forces…Meihua Fang, Zheng liang, Yingkui Gong et al.·Aug 26, 2024SaveLearn
Plug-and-Play Drag Sail Module for LEO Satellites: Implementation and Early Testing of AirDragMod (ADM)Space debris has become a critical issue, with debris in orbit surpassing active satellites, posing significant risks to space sustainability. Payloads or rocket bodies discarded post-mission in LEO…Anshuman Shukla, Pranav Sawant·Aug 24, 2024SaveLearn
Autonomous Station Keeping of Satellites in Areostationary Mars Orbit: A Predictive Control ApproachThe continued exploration of Mars will require a greater number of in-space assets to aid interplanetary communications. Future missions to the surface of Mars may be augmented with stationary…Robert D. Halverson, Avishai Weiss, Gabriel Lundin et al.·Aug 23, 2024SaveLearn
Ultrafast measurement of field-particle energy transfer during chorus emissions in spaceChorus is one of the strongest electromagnetic emissions naturally occurring in space, and can cause hazardous radiations to humans and satellites1-3. Although chorus has attracted extreme interest…C. M. Liu, B. N. Zhao, J. B. Cao et al.·Aug 23, 2024SaveLearn
Structural Morphing Metasurface for Electromagnetic Beam ManipulationThe paper presents a novel concept of a 3D structural metasurface with mechanically morphing capability that can be used as a transmit- or reflect-array to manipulate electromagnetic beams for…Aakash Bansal, William Whittow·Aug 20, 2024SaveLearn
On the Formation of Super-Alfv\'enic Flows Downstream of Collisionless ShocksSuper-Alfv\'enic jets, with kinetic energy densities significantly exceeding that of the solar wind, are commonly generated downstream of Earth's bow shock under both high and low beta plasma…Adnane Osmane, Savvas Raptis·Aug 15, 2024SaveLearn
Nonlinear Propagation of Non-Gaussian UncertaintiesThis paper presents a novel approach for propagating uncertainties in dynamical systems building on high-order Taylor expansions of the flow and moment-generating functions (MGFs). Unlike prior…Giacomo Acciarini, Nicola Baresi, David Lloyd et al.·Aug 9, 2024SaveLearn
Deriving the Topological Properties of the Magnetic Field of Coronal Mass Ejections from In Situ Measurements: TechniquesCoronal mass ejections (CMEs) are magnetized plasma systems with highly complex magnetic topology and evolution. Methods developed to assess their magnetic configuration have primarily focused on…Nada Al-Haddad, Mitchell Berger·Aug 8, 2024SaveLearn
Kinetic scales dominated by magnetic helicity in space plasmasIt is shown, using results of fully kinetic 3D numerical simulations and observations in solar wind and Earth's magnetosphere that the transition from deterministic chaos to turbulence at kinetic…A. Bershadskii·Aug 6, 2024SaveLearn
Electrostatic Waves and Electron Holes in Simulations of Low-Mach Quasi-Perpendicular ShocksCollisionless low Mach number shocks are abundant in astrophysical and space plasma environments, exhibiting complex wave activity and wave-particle interactions. In this paper, we present 2D…Artem Bohdan, Aaron Tran, Lorenzo Sironi et al.·Aug 3, 2024SaveLearn
A case study on the impact of interplanetary coronal mass ejection on the Martian O(1S) 557.7 nm dayglow emission using ExoMars TGO/NOMAD-UVIS observations: First ResultsWe report, for the first time, the impact of an interplanetary coronal mass ejection (ICME) on the recently discovered O(1S) 557.7 nm dayglow emission in the Martian atmosphere. Although there are…Aadarsh Raj Sharma, Lot Ram, Harshaa Suhaag et al.·Aug 2, 2024SaveLearn
Whistler waves in the young solar wind: statistics of amplitude and propagation direction from Parker Solar Probe Encounters 1-11In the interplanetary space solar wind plasma, whistler waves are observed in a wide range of heliocentric distance (from ~20 solar radii (RS) to Jupiter's orbit). They are known to interact with…Kyung-Eun Choi, Oleksiy Agapitov, Lucas Colomban et al.·Aug 1, 2024SaveLearn
Spurious Solar-Wind Effects on Acceleration Noise in LISA PathfinderSpurious solar-wind effects are a potential noise source in the measurements of the future Laser Interferometer Space Antenna (LISA). Comparative models are used to predict the possible impact of…Arnold Yang, Indie Desiderio-Sloane, Grant David Meadors·Jul 31, 2024SaveLearn
Toroidal modified Miller-Turner CME model in EUHFORIA: II. Validation and comparison with flux rope and spheromakRising concerns about the impact of space weather-related disruptions demand modelling and reliable forecasting of coronal mass ejection (CME) impacts. In this study, we demonstrate the application…Anwesha Maharana, Luis Linan, Stefaan Poedts et al.·Jul 31, 2024SaveLearn
Turbulence, Waves, and Taylor's Hypothesis for Heliosheath ObservationsMagnetic field fluctuations measured in the heliosheath by the Voyager spacecraft are often characterized as compressible, as indicated by a strong fluctuating component parallel to the mean magnetic…L. -L. Zhao, G. P. Zank, M. Opher et al.·Jul 31, 2024SaveLearn
Turbulent Energy Conversion Associated with Kinetic Microinstabilities in Earth's MagnetosheathPlasma in the terrestrial magnetosheath is characterised by very weak particle-particle collisions, so kinetic microinstabilities are thought to be responsible for regulating the thermodynamics of…Harry C. Lewis, Julia E. Stawarz, Lorenzo Matteini et al.·Jul 30, 2024SaveLearn