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 paper argues that the phenomenon of dynamic alignment in magnetohydrodynamic turbulence is not a universal, cascade-wide ordering of fluctuations, but rather a "conditional survival effect" where intense, small-angle events persist longer and are preferentially sampled by conventional diagnostics, a finding supported by both high-resolution simulations and solar-wind observations.
This paper argues that achieving the extreme energy scales necessary for Grand Unification requires transitioning from terrestrial to space-based particle colliders, leveraging orbital advantages like ultra-high vacuum, passive cooling, and gigawatt-scale power infrastructure to overcome the size and thermodynamic limitations of Earth-bound facilities.
This paper evaluates the feasibility of using electromagnetic induction from both orbital and lander missions to map Enceladus's interior structure, specifically to constrain the salinity and conductivity of its subsurface ocean and the thermal and fluid properties of its hydrothermally active core.
This paper demonstrates that thin aluminum coatings (50–100 nm) effectively suppress optical backgrounds in skipper-CCDs for space-based X-ray astronomy while preserving high detection efficiency for X-rays, offering a low-cost solution for optical shielding.
This study analyzes IRIS spectroscopic data of the October 3, 2024, X9.0 solar flare to reveal pre-flare signatures, including specific periodic oscillations and a three-hour gradual rise in line parameters, which collectively suggest a slow magnetic destabilization followed by rapid reconnection leading to the eruption.
This paper employs the Bronnikov-Konoplya-Pappas parametrization to analyze electromagnetic perturbations and quasinormal modes in both isolated and galactic Damour-Solodukhin wormholes, deriving observationally viable metrics constrained by Sgr A* shadow data and revealing that while oscillation frequencies remain stable, damping rates are highly sensitive to galactic compactness.
This study compares fluid and hybrid models to demonstrate that the Hall term governs the evolution of kinked Alfvén wave packets in low- plasmas, where dispersion converts wave energy into internal energy through both plasma compression and phase space mixing driven by proton resonance.
This study demonstrates through hydrocode and magnetohydrodynamic simulations that plasma generated by large basin-forming impacts such as Caloris can temporarily amplify Mercury's ancient magnetic field and leave a detectable shock-induced remanent magnetization in the crust, thereby providing a crucial mechanism to explain the observed magnetic anomalies and refine reconstructions of the planet's dynamo history.
This article proposes a self-consistent quasilinear theory showing that non-thermal power-law distributions and the temperature inversion of the solar corona are interrelated phenomena arising from electromagnetically driven particle acceleration and Debye shielding, which naturally produce universal high-energy tails in kinetic multi-component plasmas as well as heating driven by velocity filtering.
This paper proposes and validates a technique to reconstruct magnetic field spectral density for THEMIS spacecraft E and D using electric field and plasma measurements, thereby overcoming limitations caused by post-2017 search-coil magnetometer failures and enabling the continued use of their extensive whistler-mode wave datasets.