179 papers
Space physics explores the dynamic environment surrounding our planet and the wider solar system, focusing on how charged particles, magnetic fields, and solar winds interact with celestial bodies. This field helps us understand phenomena like auroras, space weather that can disrupt satellites, and the fundamental behavior of plasma in the vacuum of space. It bridges the gap between astronomy and particle physics, revealing the invisible forces that shape our cosmic neighborhood.
At Gist.Science, we process every new preprint in this category as it appears on arXiv, ensuring you get immediate access to the latest research. For each paper, we provide both a detailed technical summary for experts and a plain-language explanation that makes complex concepts understandable for everyone. Below are the latest space physics papers from arXiv, curated and simplified for your reading.
This review paper categorizes and evaluates proposed mechanisms for the formation of magnetic switchbacks in the solar wind, concluding that while lower solar atmosphere processes provide the necessary seed perturbations, the actual magnetic field reversals are primarily generated by in situ mechanisms within the solar wind.
Using Solar Orbiter observations and a Gaussian Mixture Model to resolve fine-scale structures in proton and alpha-particle velocity distribution functions, this study demonstrates that these detailed features significantly reduce ion-acoustic wave damping and can even drive instability, contrasting sharply with predictions based on standard bi-Maxwellian assumptions.
This study combines 3D magneto-hydrodynamic simulations and observational data to demonstrate that reconnection flux exhibits a strong linear correlation with CME speed, playing a crucial role in determining the dynamics of magnetic flux rope eruptions.
This paper introduces SJET, an interactive Python-based tool that combines multiple thresholding algorithms with morphological operations and a novel circular-region method for endpoint detection to standardize the extraction and geometric analysis of complex solar jet features across diverse observational conditions.
This paper demonstrates that analyzing Doppler frequency scintillation in the Tianwen-1 downlink signal during its 2021 superior conjunction effectively probes and spatially localizes solar coronal activities, such as streamers and coronal mass ejections, by revealing strong spatio-temporal correlations with data from SOHO and SDO.
This study utilizes Magnetospheric Multiscale (MMS) spacecraft data to characterize the turbulence properties and electron-scale kinetic signatures, including strong guide-field asymmetric reconnection and significant agyrotropy, observed at the edges of Kelvin-Helmholtz vortices during a geomagnetic storm.
Utilizing MMS mission data, this study characterizes unique electron distribution signatures across various magnetic topologies during the April 24, 2023, sub-Alfvénic magnetic cloud event, revealing how Earth's magnetosphere transformed into Alfvén wings and providing evidence of bursty magnetic reconnection under northward IMF conditions.
This study utilizes Magnetospheric Multiscale (MMS) observations to characterize a sub-Alfvénic magnetic cloud within an April 2023 Coronal Mass Ejection, revealing distinct electron heating features and weak magnetohydrodynamic turbulence with magnetospheric-like properties that differ significantly from the surrounding super-Alfvénic solar wind.
This study utilizes Juno UVS observations of Ganymede's UV aurora to constrain electron-impact ionization rates of its O atmosphere, revealing that these rates significantly exceed photoionization and drive substantial ionospheric outflow and surface ice erosion.
This study uses hybrid-kinetic simulations to demonstrate how ion pickup at outer planet moons drives electromagnetic and compressional waves that rapidly scatter and thermalize newly ionized particles, providing a kinetic framework for interpreting in situ spacecraft observations of wave-particle interactions in the outer solar system.