Results 81 to 90 of about 2,184,733 (309)
Turbulence-generated proton-scale structures in the terrestrial magnetosheath [PDF]
Recent results of numerical magnetohydrodynamic simulations suggest that in collisionless space plasmas turbulence can spontaneously generate thin current sheets.
Consolini, Giuseppe+4 more
core +3 more sources
IMPALAS: Investigation of MagnetoPause Activity using Longitudinally-Aligned Satellites—a mission concept proposed for the ESA M3 2020/2022 launch [PDF]
The dayside magnetopause is the primary site of energy transfer from the solar wind into the magnetosphere, and modulates the activity observed within the magnetosphere itself.
Amm, O.+19 more
core +3 more sources
A wideband tunable electrochromic device with dynamic thermal emissivity control is demonstrated. The system enables adaptive heat regulation via electrochemically modulated silver deposition, achieving efficient cooling and heating states. The flexible design ensures mechanical robustness under bending conditions, making it promising for portable and ...
Jiawei Liang+10 more
wiley +1 more source
Analysis of three-spacecraft data using planar reciprocal vectors: methodological framework and spatial gradient estimation [PDF]
In the context of ESA's Cluster mission, four-point array techniques are widely used to analyze space plasma phenomena such as shocks and discontinuities, waves and turbulence, and spatial gradients.
J. Vogt, A. Albert, O. Marghitu
doaj +1 more source
Can Planet Nine Be Detected Gravitationally by a Sub-Relativistic Spacecraft? [PDF]
Planet 9 was proposed as an explanation for the clustering of orbits for some trans-Neuptunian objects. Recently, the use of a sub-relativistic spacecraft was proposed to indirectly probe Planet 9's gravitational influence. Here we study the effects of the drag and electromagnetic forces exerted on a sub-relativistic spacecraft by the interstellar ...
arxiv +1 more source
[1] A sunlit conductive spacecraft, immersed in tenuous plasma, will attain a positive potential relative to the ambient plasma. This potential is primarily governed by solar irradiation, which causes escape of photoelectrons from the surface of the ...
B. Lybekk+7 more
semanticscholar +1 more source
Electric Field Driven Soft Morphing Matter
This study presents soft morphing matter robots that exhibit extremely high morphological adaptability and complex multimodal electric field response. They can undergo large, controlled body deformation and show complex locomotion on different terrains under the manipulation of external electric fields, making a significant step beyond current ...
Ciqun Xu+3 more
wiley +1 more source
Temporal and spatial evolution of discrete auroral arcs as seen by Cluster [PDF]
Two event studies are presented in this paper where intense convergent electric fields, with mapped intensities up to 1350 mV/m, are measured in the auroral upward current region by the Cluster spacecraft, at altitudes between 3 and 5 Earth radii ...
S. Figueiredo+9 more
doaj +1 more source
On the Conditions of Aliasing Effects in Constellations with More than Four Spacecraft [PDF]
The k-filtering/wave telescope method has been successfully applied to the four-spacecraft measurements from Cluster II and MMS, revealing the four-dimensional power spectral density $\textrm{PSD}(\omega, \mathbf k)$. As the number of spacecraft within a constellation increases, the geometry becomes more complicated, and it is harder to find the first ...
arxiv
A star scanner on a spin stabilized spacecraft is described which includes a reticle with a pair of slits having different separations as a function of the spacecraft vertical plane, to form a V slit.
Gutshall, R. L.+2 more
core +1 more source