Does the Alfv\'en wave disrupt the large-scale magnetic cloud structure?Alfv\'en waves are primal and pervasive in space plasmas and significantly contributes to microscale fluctuations in the solar wind and some heliospheric processes. Here, we demonstrate the first…Anil N. Raghav, Ankita Kule·Oct 14, 2018SaveLearn
The first observable in-situ evidence of Alfvenic turbulence in shock-sheathThe dynamic evolution of coronal mass ejection (CME) in interplanetary space generates highly turbulent, compressed and heated shock-sheath. This region furnishes a unique environment to study the…Anil N. Raghav, Zubair I. Shaikh·Oct 14, 2018SaveLearn
Exploring Potential Environmental Benefits of Asteroid MiningAsteroid mining has been proposed as an approach to complement Earth-based supplies of rare earth metals and supplying resources in space, such as water. Existing research on asteroid mining has…Andreas M. Hein, Michael Saidani, Hortense Tollu·Oct 10, 2018SaveLearn
Radial evolution of the solar wind in pure high-speed streams: HELIOS revised observationsSpacecraft observations have shown that the proton temperature in the solar wind falls off with radial distance more slowly than expected for an adiabatic prediction. Usually, previous studies have…D. Perrone, D. Stansby, T. Horbury et al.·Oct 9, 2018SaveLearn
Characteristic time scales of UV and IR auroral emissions at Jupiter and Saturn and their possible observable effectsDifferent ultraviolet (UV) and infrared (IR) auroral features have been observed at Jupiter and Saturn. Using models related to UV and IR auroral emissions, we estimate the characteristic time scales…Chihiro Tao, Sarah V. Badman, Masaki Fujimoto·Oct 9, 2018SaveLearn
A Techno-Economic Analysis of Asteroid MiningAsteroid mining has been proposed as an approach to complement Earth-based supplies of rare earth metals and supplying resources in space, such as water. However, existing studies on the economic…Andreas M. Hein, Robert Matheson, Dan Fries·Oct 9, 2018SaveLearn
Simulating the Interaction of a Comet With the Solar Wind Using a Magnetohydrodynamic ModelWe present simulations of a comet interacting with the solar wind. Such simulations are treated in the framework of the ideal, 2D magnetohydrodynamics (MHD), using the FLASH code in order to solve…Edgard de F. D. Evangelista, Margarete O. Domingues, Odim Mendes et al.·Sep 28, 2018SaveLearn
Interstellar Neutral Gas Species And Their Pickup Ions Inside The Heliospheric Termination Shock. Ionization Rates For H, O, Ne, And HeSolar ionizing factors are responsible for modulation of interstellar neutral gas and its derivative populations inside the heliosphere. We provide an overview of the current state of knowledge about…Justyna M. Sokół, Maciej Bzowski, Munetoshi Tokumaru·Sep 26, 2018SaveLearn
Directed Energy Interception of SatellitesHigh power Earth and orbital-based directed energy (DE) systems pose a potential hazard to Earth orbiting spacecraft. The use of very high power, large aperture DE systems to propel spacecraft is…Harrison She, Will Hettel, Philip Lubin·Sep 24, 2018SaveLearn
The Fluxgate-Searchcoil Merged (FSM) Magnetic Field Data Product for MMSThe Fluxgate-Searchcoil Merged (FSM) data product for the Magnetospheric Multiscale (MMS) mission is created by combining the level-2 science quality data from the fluxgate and searchcoil…M. R. Argall, D. Fischer, O. Le Contel et al.·Sep 19, 2018SaveLearn
Electron-Scale Dynamics of the Diffusion Region during Symmetric Magnetic Reconnection in SpaceMagnetic reconnection is an energy conversion process important in many astrophysical contexts including the Earth's magnetosphere, where the process can be investigated in-situ. Here we present the…R. B. Torbert, J. L. Burch, T. D. Phan et al.·Sep 18, 2018SaveLearn
Scale dependence of energy transfer in turbulent plasmaIn the context of space and astrophysical plasma turbulence and particle heating, several vocabularies emerge for estimating turbulent energy dissipation rate, including Kolmogorov-Yaglom third-order…Yan Yang, Minping Wan, William H. Matthaeus et al.·Sep 15, 2018SaveLearn
Solar wind interaction with comet 67P: impacts of corotating interaction regionsWe present observations from the Rosetta Plasma Consortium of the effects of stormy solar wind on comet 67P/Churyumov-Gerasimenko. Four corotating interaction regions (CIRs), where the first event…Niklas J. T. Edberg, A. I. Eriksson, E. Odelstad et al.·Sep 14, 2018SaveLearn
CME impact on comet 67P/Churyumov-GerasimenkoWe present Rosetta observations from comet 67P/Churyumov-Gerasimenko during the impact of a coronal mass ejection (CME). The CME impacted on 5-6 Oct 2015, when Rosetta was about 800 km from the comet…Niklas J. T. Edberg, M. Alho, M. André et al.·Sep 13, 2018SaveLearn
A frequency portrait of Low Earth OrbitsIn this work we deepen and complement the analysis on the dynamics of Low Earth Orbits (LEO), carried out by the authors within the H2020 ReDSHIFT project, by characterising the evolution of the…Giulia Schettino, Elisa Maria Alessi, Alessandro Rossi et al.·Sep 13, 2018SaveLearn
Titan's variable ionosphere during the T118-T119 Cassini flybysA significant difference in Titan's ionospheric electron density is observed between the T118 and T119 Cassini nightside flybys. These flybys had similar geometry, occurred at the same Saturn local…N. J. T. Edberg, E. Vigren, D. Snowden et al.·Sep 13, 2018SaveLearn
Observations of high and low Fe charge states in individual solar wind streams with coronal-hole originThe solar wind originating from coronal holes is comparatively well-understood and is characterized by lower densities and average charge states compared to the so-called slow solar wind. Except for…Verena Heidrich-Meisner, Thies Peleikis, Martin Kruse et al.·Sep 11, 2018SaveLearn
Evolution of an equatorial coronal hole structure and the released coronal hole wind stream: Carrington rotations 2039 to 2050The Sun is a highly dynamic environment that exhibits dynamic behavior on many different timescales. In particular, coronal holes exhibit temporal and spatial variability. Signatures of these coronal…Verena Heidrich-Meisner, Thies Peleikis, Martin Kruse et al.·Sep 11, 2018SaveLearn
Kinetic range spectral features of cross-helicity using MMSWe study spectral features of ion velocity and magnetic field correlations in the solar wind and in the magnetosheath using data from the Magnetospheric Multi-Scale (MMS) spacecraft. High resolution…Tulasi N. Parashar, Alexandros Chasapis, Riddhi Bandyopadhyay et al.·Sep 6, 2018SaveLearn
Electron intensity measurements by the Cluster/RAPID/IES instrument in Earths radiation belts and ring currentThe Cluster mission, launched in 2000, has produced a large database of electron flux intensity measurements in the Earths magnetosphere by the Research with Adaptive Particle Imaging Detector…Artem Smirnov, Elena Kronberg, Flanck Latallerie et al.·Sep 4, 2018SaveLearn
A fast algorithm for the detection of faint orbital debris tracks in optical imagesMoving objects leave extended tracks in optical images acquired with a telescope that is tracking stars or other targets. By searching images for these tracks, one can obtain statistics on…P. Hickson·Sep 1, 2018SaveLearn
On the Role of Separatrix Instabilities in Heating the Reconnection Outflow RegionA study of the role of microinstabilities at the reconnection separatrix can play in heating the electrons during the transition from inflow to outflow is being presented. We find that very strong…M. Hesse, C. Norgren, P. Tenfjord et al.·Aug 29, 2018SaveLearn
The Fluid-like Behavior of Kinetic Alfv\'en Turbulence in Space PlasmaKinetic Alfv\'en waves (KAWs) are the short-wavelength extension of the MHD Alfv\'en-wave branch in the case of highly-oblique propagation with respect to the background magnetic field.…Honghong Wu, Daniel Verscharen, Robert T. Wicks et al.·Aug 29, 2018SaveLearn
Non-linear Waves and Instabilities Leading to Secondary Reconnection in Reconnection OutflowsReconnection outflows are regions of intense recent scrutiny, from in situ observations and from simulations. These regions are host to a variety of instabilities and intense energy exchanges, often…Giovanni Lapenta, Francesco Pucci, Vyacheslav Olshevsky et al.·Aug 26, 2018SaveLearn
Using the maximum entropy distribution to describe electrons in reconnecting current sheetsParticle distributions in weakly collisional environments such as the magnetosphere have been observed to show deviations from the Maxwellian distribution. These can often be reproduced in kinetic…Jonathan Ng, Ammar Hakim, Amitava Bhattacharjee·Aug 23, 2018SaveLearn