Results 101 to 110 of about 1,247 (219)
MMS Observations of Electron Vorticity in the Earth’s Magnetosheath
The Astrophysical JournalThe Earth’s magnetosheath serves as a natural laboratory to study the transition of highly turbulent fluctuations. The fundamental information about plasma turbulences can be examined observationally with the help of electron vorticity measurements. This
Yijun Li +4 more
doaj +1 more source
, 1982 All interplanetary shocks observed by ISEE-3 and either ISEE-1 or ISEE-2 or both in 1978 and 1979 are examined for evidence of upstream waves. In order to characterize the properties of these shocks it is necessary to determine accurate shock normals. An
Gosling, J. T. +4 more
core +1 more source
Effects of Nonzero-frequency Fluctuations on Turbulence Spectral Observations
The Astrophysical Journal LettersIn situ observations of turbulence spectra in space plasmas are usually interpreted as wavenumber spectra, assuming that the fluctuation frequency is negligible in the plasma flow frame.
L.-L. Zhao, G. P. Zank, H. Li
doaj +1 more source
Investigating Alfvénic wave propagation in coronal open-field regions
, 2015 The physical mechanisms behind accelerating solar and stellar winds are a long-standing astrophysical mystery, although recent breakthroughs have come from models invoking the turbulent dissipation of Alfvén waves.
Morton, Richard +2 more
core +1 more source
The effects of expansion and turbulence on the interplanetary evolution of a magnetic cloud
Astronomy & AstrophysicsCoronal mass ejections represent the most extreme solar products, and show complex and dynamic structures when detected in situ. They are often preceded by a shock and carry a magnetic cloud organised as a flux rope, surrounded and permeated by turbulent fluctuations, and whose radial size expands during propagation.
Sangalli, M. +3 more
openaire +3 more sources
The Astrophysical JournalSupersonic turbulence plays a critical role in shaping astrophysical systems, from molecular clouds to the circumgalactic medium. Key properties of this turbulence include the Mach number, driving scale, and nature of the driving mechanism, which can be ...
Philipp Grete +3 more
doaj +1 more source
The Astrophysical JournalUnderstanding how turbulent energy is dissipated in the heliosphere remains a central challenge in space plasma physics. While magnetic reconnection and other dissipative processes occurring within current sheets are widely regarded as leading channels ...
Y. Wang +8 more
doaj +1 more source
Solar cycle evolution of ICME sheath regions at 1 AU
Astronomy & AstrophysicsAims. We investigate the evolution of interplanetary coronal mass ejection (ICME) sheath regions at 1 AU across solar cycles 23, 24, and the rising phase of 25, focusing on their variability and turbulence in relation to upstream solar wind conditions ...
Larrodera C., Temmer M., Owens M.
doaj +1 more source
Interplanetary scintillation imaging of disturbances in the solar wind
, 1995 Small scale turbulence in the solar wind causes radio sources to scintillate and it has been found that this effect depends upon the mean plasma density along the line of sight.
Woan, G., Hewish, A.
core +1 more source
The Astrophysical Journal Supplement SeriesWe investigate the radial evolution of solar wind turbulence during the radial alignment of Parker Solar Probe (PSP) and Solar Orbiter (SO) on 2022 December 10, with PSP located at approximately 0.11 au and SO near 0.88 au.
Ashok Silwal +13 more
doaj +1 more source