Results 41 to 50 of about 25,490 (221)

An Improved Fit to the Density Fluctuations in Supersonic Isothermal Turbulence

The Astrophysical Journal
The density distribution of supersonic isothermal turbulence plays a critical role in many astrophysical systems. It is commonly approximated by a log-normal distribution with a variance of ${\sigma }_{s,{\rm{V}}}^{2}\approx \mathrm{ln}(1+{b}^{2}{M}_ ...
Evan Scannapieco, Marcus Brüggen, Philipp Grete, Liubin Pan   +3 more
doaj   +1 more source

MHD waves at the pre-front of interplanetary shocks on September 6 and 7, 2017

Solar-Terrestrial Physics
We analyze strong space weather disturbances during first ten days of September 2017, using the geomagnetic Dst index, parameters of normals to interplanetary shock fronts, direct measurements of interplanetary magnetic field, solar wind, and cosmic ray ...
Starodubtsev S. A., Shadrina L. P.
doaj   +1 more source

The large longitudinal spread of solar energetic particles during the January 17, 2010 solar event

, 2012
We investigate multi-spacecraft observations of the January 17, 2010 solar energetic particle event. Energetic electrons and protons have been observed over a remarkable large longitudinal range at the two STEREO spacecraft and SOHO suggesting a ...
A. Klassen, A. Klassen, A.B. Galvin, A.M. Veronig, A.P. Rouillard, B. Heber, B.R. Ragot, D.V. Reames, E.W. Cliver, E.W. Cliver, E.W. Cliver, G. Wibberenz, G.E. Brueckner, H.V. Cane, J. Torsti, J.E. Borovsky, J.E. Mazur, J.G. Luhmann, J.L. Bougeret, J.L. Bougeret, J.P. Delaboudinière, J.P. Wuelser, J.R. Jokipii, J.R. Jokipii, K.L. Klein, M.B. Kallenrode, M.H. Acuña, N. Dresing, R. Gómez-Herrero, R. Müller-Mellin, R. Müller-Mellin, R.A. Howard, R.A. Mewaldt, R.B. McKibben, R.E. Gold, S. Dalla, S. Dalla, T. Rosenvinge Von, T.R. Sanderson, V.V. Grechnev, W. Dröge, W. Dröge, W. Dröge, Y. Kartavykh   +43 more
core   +1 more source

Evolution of Magnetospheric Boundary Layers Under the 10 May 2024 ICME Impact

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract On 10 May 2024, an interplanetary coronal mass ejection‐driven shock impacted the dayside magnetopause, compressing it to ∼5 RE. A northward interplanetary magnetic field suppressed dayside reconnection and allowed a clear investigation of the magnetosphere response.
Sheng Li, Gilbert Pi, Zdeněk Němeček, Jana Šafránková, Trevor W. Leonard, Yang‐Yi Sun   +5 more
wiley   +1 more source

Peculiarities of the Heliospheric State and the Solar-Wind/Magnetosphere Coupling in the Era of Weakened Solar Activity

Universe, 2022
Based on the data of the solar wind (SW) measurements of the OMNI database for the period 1976–2019, we investigate the behavior of SW types, as well as plasma and interplanetary magnetic field (IMF) parameters, for 21–24 solar cycles (SCs). Our analysis
Yuri I. Yermolaev, Irina G. Lodkina, Alexander A. Khokhlachev, Michael Yu. Yermolaev   +3 more
doaj   +1 more source

Magnetopause Boundary Layers in Low Mach CME‐Driven Storm Environment

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Magnetopause boundary layers (BLs) play an important role mediating plasma and energy exchange between the solar wind/magnetosheath and Earth's magnetosphere. Energy exchange across the magnetopause is enhanced during storms, yet little work has been done investigating BLs during storms.
Rachel C. Rice, Li‐Jen Chen, Tai Phan, Brandon L. Burkholder, Stephen A. Fuselier, Roman Gomez, Cristian P. Ferradas, Jason M. H. Beedle, Megha Pandya   +8 more
wiley   +1 more source

MHD Remote Numerical Simulations: Evolution of Coronal Mass Ejections [PDF]

, 2008
Coronal mass ejections (CMEs) are solar eruptions into interplanetary space of as much as a few billion tons of plasma, with embedded magnetic fields from the Sun's corona.
A. R. González-Ponce, A. Santillán, Hernández–Cervantes, Liliana Hernández-Cervantes, Santillán   +4 more
core   +1 more source

Asymmetrically Distributed Kelvin‐Helmholtz Instability at Venusian Magnetosphere

Geophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract The asymmetric distribution of Kelvin‐Helmholtz (KH) instability at Venusian ionopause is investigated using a multifluid model. Results show that KH instability distributes asymmetrically, preferentially developing in the −E (anti‐parallel to the interplanetary electric field) hemisphere.
Maodong Yan, Jiuhou Lei, Naoki Terada, Binzheng Zhang, Tong Dang, Ryoya Sakata, Shotaro Sakai, Yingjuan Ma   +7 more
wiley   +1 more source

The influence of the interplanetary medium on SuperDARN radar scattering occurrence [PDF]

Annales Geophysicae, 2000
The effects of the characteristics of the interplanetary medium on the radar scattering occurrence, related to the whole array of SuperDARN radars installed in the Northern Hemisphere, have been studied over a two-year period.
P. Ballatore, J. P. Villain, N. Vilmer, M. Pick   +3 more
doaj   +1 more source

Rocket having barium release system to create ion clouds in the upper atmosphere [PDF]

, 1974
A chemical system for releasing a good yield of free barium atoms and barium ions to create ion clouds in the upper atmosphere and interplanetary space for the study of the geophysical properties of the medium is ...
Lewis, B. W., Murphy, W. J., Smith, E. W., Stokes, C. S.   +3 more
core   +1 more source