Results 201 to 210 of about 2,729 (231)

Direct imaging of magnetohydrodynamic wave mode conversion near a 3D null point on the sun. [PDF]

Nat Commun
Kumar P, Nakariakov VM, Karpen JT, Cho KS.   +3 more
europepmc   +1 more source

First direct observations of atmospheric sputtering at Mars. [PDF]

Sci Adv
Curry SM, Hara T, Luhmann JG, Leblanc F, Jolitz R, Mitchell D, Modolo R, Brain DA, Espley J, Benna M, Halekas J.   +10 more
europepmc   +1 more source

Electromotive field in space and astrophysical plasmas. [PDF]

Rev Mod Plasma Phys
Bourdin PA, Narita Y.
europepmc   +1 more source

Observations and seismology of waves in solar filaments and coronal loops

, 2018
openaire   +1 more source

Solar coronal heating by magnetosonic waves

Monthly Notices of the Royal Astronomical Society, 2001
Solar coronal heating by magnetohydrodynamic (MHD) waves is investigated. ultraviolet (UV) and X-ray emission lines of the corona show non-thermal broadenings. The wave rms velocities inferred from these observations are of the order of 25–60 km s−1. Assuming that these values are not negligible, we solved MHD equations in a quasi-linear approximation,
Pekunlu, ER, Cakirli, O, Ozetken, E
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Coronal heating and solar activity: The role of waves

Advances in Space Research, 1993
Abstract Coronal heating and solar activity are manifestations of the complex interaction between the magnetic field and the photospheric plasma motions. As a result of such an interaction magnetohydrodynamic waves are generated: their dissipation may provide the basic physical mechanism to heat the corona.
EINAUDI G, CHIUDERI C, CALIFANO, FRANCESCO   +2 more
openaire   +2 more sources

Alfvén waves in the solar polar coronal holes

AIP Conference Proceedings, 1999
We study the variation of the line width and electron density as a function of height above two coronal holes from forbidden spectral lines of Si VIII. The spectra were obtained with the Solar Ultraviolet Measurements of Emitted Radiation spectrometer flown on the Solar and Heliospheric Observatory spacecraft.
Banerjee, D., Teriaca, L., Doyle, J., Wilhelm, K.   +3 more
openaire   +2 more sources

Solar coronal heating by plasma waves

Journal of Plasma Physics, 2009
AbstractThe solar coronal plasma is maintained at temperatures of millions of degrees, much hotter than the photosphere, which is at a temperature of just 6000 K. In this paper, the plasma particle heating based on the kinetic theory of wave–particle interactions involving kinetic Alfvén waves and lower-hybrid drift modes is presented.
Bingham, R., Shukla, P.K., Eliasson, Bengt, Stenflo, L.   +3 more
openaire   +3 more sources

Propagating MHD Waves in Coronal Holes

Space Science Reviews, 2010
Coronal holes are the coolest and darkest regions of the upper solar atmosphere, as observed both on the solar disk and above the solar limb. Coronal holes are associated with rapidly expanding open magnetic fields and the acceleration of the high-speed ...
Dipankar Banerjee, G R Gupta, L Teriaca   +2 more
exaly   +2 more sources