A web application for monitoring cosmic rays and solar activityThe flux of cosmic rays in the heliosphere is subjected to variations that are related to the Sun's magnetic activity. To study this effect, updated time series of multichannel observations are…David Pelosi, Nicola Tomassetti, Matteo Duranti·Oct 11, 2022SaveLearn
Conditions for proton temperature anisotropy to drive instabilities in the solar windUsing high-resolution data from Solar Orbiter, we investigate the plasma conditions necessary for the proton temperature anisotropy driven mirror-mode and oblique firehose instabilities to occur in…Simon Opie, Daniel Verscharen, Christopher H. K. Chen et al.·Oct 10, 2022SaveLearn
Mirror mode storms observed by Solar OrbiterMirror modes are ubiquitous in space plasma and grow from pressure anisotropy. Together with other instabilities, they play a fundamental role in constraining the free energy contained in the plasma.…A. P. Dimmock, E. Yordanova, D. B. Graham et al.·Oct 10, 2022SaveLearn
Distinct polytropic behavior of plasma during ICME-HSS InteractionInterplanetary Coronal Mass Ejections (ICMEs) and High Speed Streams (HSSs) are noteworthy drivers of disturbance of interplanetary space. Interaction between them can cause several phenomena, such…Kalpesh Ghag, Anil Raghav, Zubair Shaikh et al.·Oct 8, 2022SaveLearn
Modelling Solar Orbiter Dust Detection Rates in Inner Heliosphere as a Poisson ProcessSolar Orbiter provides dust detection capability in inner heliosphere, but estimating physical properties of detected dust from the collected data is far from straightforward. First, a physical model…Samuel Kočiščák, Andreas Kvammen, Ingrid Mann et al.·Oct 7, 2022SaveLearn
Hybrid simulations of the cusp and dayside magnetosheath dynamics under \ quasi-radial interplanetary magnetic fieldsUnder quasi-radial interplanetary magnetic fields (IMF), foreshock turbulence can have an impact on the magnetosheath and cusps depending on the location of the quasi-parallel shock. We perform…J. Ng, L. J. Chen, Y. Omelchenko et al.·Oct 6, 2022SaveLearn
The Impact of Solar Radiation on the Martian Upper AtmosphereThe first in-situ measurements of the altitude profile of Martian upper atmospheric density and composition were carried out by the Viking lander missions in 1976. The MAVEN and MOM spacecraft…S. C. Chakravarty, Kamsali Nagaraja·Oct 4, 2022SaveLearn
Soft X-Ray Imaging of Magnetopause Reconnection Outflows Under Low Plasma-β Solar Wind ConditionsWe examined soft X-ray emission by the solar wind charge-exchange process around the Earth's magnetosphere using a global magnetohydrodynamic simulation model. The dayside magnetopause reconnection…Yosuke Matsumoto, Yoshizumi Miyoshi·Oct 4, 2022SaveLearn
Space Plasma Physics: A ReviewOwing to the ever-present solar wind, our vast solar system is full of plasmas. The turbulent solar wind, together with sporadic solar eruptions, introduces various space plasma processes and…Bruce T. Tsurutani, Gary P. Zank, Veerle J. Sterken et al.·Sep 29, 2022SaveLearn
CREW HaT: A Magnetic Shielding System for Space HabitatsAt the dawn of a new space exploration age, aiming to send humans back to the Moon and for the first time to Mars, it is necessary to devise a solution to mitigate the impact that space radiation has…Paolo Desiati, Elena D'Onghia·Sep 27, 2022SaveLearn
Multi-spacecraft observations of shocklets at an interplanetary shockInterplanetary (IP) shocks are fundamental building blocks of the heliosphere, and the possibility to observe them in-situ is crucial to address important aspects of energy conversion for a…Domenico Trotta, Heli Hietala, Timothy Horbury et al.·Sep 27, 2022SaveLearn
Predicting Swarm Equatorial Plasma Bubbles via Machine Learning and Shapley ValuesIn this study we present AI Prediction of Equatorial Plasma Bubbles (APE), a machine learning model that can accurately predict the Ionospheric Bubble Index (IBI) on the Swarm spacecraft. IBI is a…S. A. Reddy, C. Forsyth, A. Aruliah et al.·Sep 27, 2022SaveLearn
The role of low-energy electrons in the charging process of LISA test massesThe space environment encountered by operating spacecraft is populated by a continuous flux of charged particles that penetrate into electronic devices inducing phantom commands and loss of control,…Simone Taioli, Maurizio Dapor, Francesco Dimiccoli et al.·Sep 26, 2022SaveLearn
Multi-Hour Ahead Dst Index Prediction Using Multi-Fidelity Boosted Neural NetworksThe Disturbance storm time (Dst) index has been widely used as a proxy for the ring current intensity, and therefore as a measure of geomagnetic activity. It is derived by measurements from four…A. Hu, E. Camporeale, B. Swiger·Sep 26, 2022SaveLearn
2D reconstruction of magnetotail electron diffusion region measured by MMSModels for collisionless magnetic reconnection in near-Earth space are distinctly characterized as 2D or 3D. In 2D kinetic models, the frozen-in law for the electron fluid is usually broken by…J. M. Schroeder, J. Egedal, G. Cozzani et al.·Sep 24, 2022SaveLearn
Application of the Monte Carlo Method in Modeling Transport and Acceleration of Solar Energetic ParticlesThe need for quantitative characterization of the solar energetic particle (SEP) dynamics goes beyond being an academic discipline only. It has numerous practical implications related to human…Valeriy Tenishev, Lulu Zhao, Igor Sokolov·Sep 19, 2022SaveLearn
Solar-wind electron precipitation on weakly magnetized bodies: the planet MercuryMercury is the archetype of a weakly magnetized, airless, telluric body immersed in the solar wind. Due to the lack of any substantial atmosphere, the solar wind directly precipitates on Mercury's…Federico Lavorenti, Pierre Henri, Francesco Califano et al.·Sep 18, 2022SaveLearn
The Development of Spatial Attention U-Net for The Recovery of Ionospheric Measurements and The Extraction of Ionospheric ParametersWe train a deep learning artificial neural network model, Spatial Attention U-Net to recover useful ionospheric signals from noisy ionogram data measured by Hualien's Vertical Incidence Pulsed…Guan-Han Huang, Alexei V. Dmitriev, Chia-Hsien Lin et al.·Sep 15, 2022SaveLearn
Primary and albedo protons detected by the Lunar Lander Neutron and Dosimetry (LND) experiment on the lunar farsideThe Lunar Lander Neutron and Dosimetry (LND) Experiment aboard the Chang'E-4 Lander on the lunar-far side measures energetic charged and neutral particles and monitors the corresponding radiation…Zigong Xu, Jingnan Guo, Robert F. Wimmer-Schweingruber et al.·Sep 13, 2022SaveLearn
Increased radiation events discovered at commercial aviation altitudesWe show fifty-seven enhanced radiation level events taken from new measurements on commercial altitude (greater than 9 km) aircraft that are analogous to planes flying through radiation clouds. More…W. Kent Tobiska, Alexa J. Halford, Steven K. Morley·Sep 12, 2022SaveLearn
Understanding variability in HASDM to support space traffic managementWith more commercial constellations planned, the number of Low Earth Orbit (LEO) objects is set to TRIPLE in two years. The growth in LEO objects directly increases the probability of unintentional…W. Kent Tobiska, Marcin D. Pilinski, Shaylah Mutschler et al.·Sep 12, 2022SaveLearn
Optimum Location to Intercept Interstellar Objects with Build-and-wait MissionsUntil now, only two Interstellar Objects (ISOs) have been discovered: 1I/'Oumuamua and 2I/Borisov. Despite a limited amount of observations, they present high scientific interest for the research…Laia López Llobet, Andreas M. Hein·Sep 3, 2022SaveLearn
Systematic study of ionospheric scintillation over the indian low-latitudes during low solar activity conditionsA systematic study of ionospheric scintillation at the low-latitudes, especially around the Equatorial Ionization Anomaly (EIA) and the magnetic equator, is essential in understanding the dynamics of…Deepthi Ayyagari, Abhirup Datta, Sumanjit Chakraborty·Sep 1, 2022SaveLearn
Strategies for determining the cascade rate in MHD turbulence: isotropy, anisotropy, and spacecraft sampling``Exact'' laws for evaluating cascade rates, tracing back to the Kolmogorov ``4/5'' law, have been extended to many systems of interest including magnetohydrodynamics (MHD), and compressible flows of…Yanwen Wang, Rohit Chhiber, Subash Adhikari et al.·Sep 1, 2022SaveLearn
Constraining Europa's subsolar atmosphere with a joint analysis of HST spectral images and Galileo magnetic field dataWe constrain Europa's tenuous atmosphere on the subsolar hemisphere by combining two sets of observations: oxygen emissions at 1304 and 1356 from Hubble Space Telescope (HST) spectral…Sebastian Cervantes, Joachim Saur·Aug 29, 2022SaveLearn