Results 111 to 120 of about 12,196 (218)
Astrophysics in Strong Electromagnetic Fields and Laboratory Astrophysics
LaTex 30 pages, 1 figure; review for "Strong EM Field Physics and Laboratory Astrophysics" session of Marcel Grossmann Meeting 15, Rome, July 1-7 ...
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Reconnection Onset in Overstretched Thin Current Sheets: 3‐D Kinetic Picture
Abstract Evolution of the magnetotail equilibrium, whose current density iso‐contours are stretched beyond the magnetic field lines due to small ion anisotropy and agyrotropic effects on the scales of the thermal ion gyroradius (the so‐called overstretched thin current sheet) is considered using 3‐D explicit particle‐in‐cell simulations.
M. I. Sitnov, H. Arnold
wiley +1 more source
Joint Institute for Laboratory Astrophysics (formerly Joint Institute for Laboratory Astrophysics) [PDF]
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Abstract Global geologic mapping shows that Europa’s surface is made up of an array of features including extensive ridged plains, regions of broad disruption termed chaos terrain, quasi‐linear ridges that span thousands of km, and bands up to 60 km wide that extend for 100–1000s of km.
Erin J. Leonard +2 more
wiley +1 more source
Abstract The Viking missions landed two spacecraft on Mars each equipped with a pyrolysis‐gas chromatograph‐mass spectrometer system capable of detecting signs of life. Although working as intended, detections of chloromethane and dichloromethane were initially attributed to terrestrial contamination.
A. Mojarro +11 more
wiley +1 more source
Sulfidation Reaction Mechanisms of Olivine and Diopside at Mercury's Reducing Conditions
Abstract The surface of Mercury contains elevated amounts of sulfur of up to 4 wt.%. Volcanic degassing of S from the interior of the planet could have initiated sulfidation reactions between the degassed S and surface materials in the planet's past, leading to the observed surface S enrichment.
Rody C. Erftemeijer +2 more
wiley +1 more source
Quiet Time Ionosphere‐Thermosphere Predictability During Sudden Stratospheric Warmings in TIE‐GCM
Abstract We investigate the predictability of the ionosphere‐thermosphere (IT) region during sudden stratospheric warmings (SSWs) by using subseasonal hindcasts in the Community Earth System Model, version 2 with the Whole Atmosphere Community Climate Model (CESM2 [WACCM6]) to force the lower boundary of the TIE‐GCM.
B. C. Martinez, N. M. Pedatella, Xian Lu
wiley +1 more source
Cosmic Dust as a Prerequisite for the Formation of Complex Organic Molecules in Space?
In cold, dense astrophysical environments dust grains are mixed with molecular ices. Chemistry in those dust/ice mixtures is determined by diffusion and reaction of molecules and radicals.
Alexey Potapov +4 more
doaj +1 more source
Abstract During November 2025 thousands of commercial aircraft (Airbus A320s) had to be grounded due to the risk of ionizing radiation effects on the avionics system. Safety‐critical systems continue to use modern commercial devices, and therefore an understanding of their responses within enhanced radiation environments is crucial to ensure reliable ...
M. Barker, K. Ryden, C. Dyer, F. Lei
wiley +1 more source
Exploring Jupiter's Mid‐Latitude Dusk Magnetopause: The Impact of Magnetic Reconnection
Abstract The Juno mission has elucidated magnetosphere processes, structure, and dynamics via multi‐instrument plasma and magnetic field observations. In this study, these instruments are used to identify magnetic reconnection during the Juno extended mission from a survey of 490 magnetopause crossings at the mid‐latitude southern dusk magnetopause ...
J. Montgomery +8 more
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