Results 21 to 30 of about 1,402,263 (290)
Study on the relation of the solar coronal rotation with magnetic field structures
Scientific Reports, 2023 Daily solar spectral irradiances (SSIs) at the spectral intervals 1–40, 116–264 and 950–1600 nm and four categories of solar small-scale magnetic elements ( $$MF_{no}$$ M F no , $$MF_{anti}$$ M F anti , $$MF_{tran}$$ M F tran and $$MF_{in}$$ M F in ) are
N. B. Xiang +4 more
doaj +1 more source
Solar Sailing: applications and technology advancement [PDF]
, 2011 Harnessing the power of the Sun to propel a spacecraft may appear somewhat ambitious and the observation that light exerts a force contradicts everyday experiences.
Macdonald, Malcolm
core +4 more sources
Evidence of a Quasiperiodic Global-scale Oscillation in the Near-surface Shear Layer of the Sun
The Astrophysical Journal Letters, 2023 We present evidence of hitherto undiscovered global-scale oscillations in the near-surface shear layer of the Sun. These oscillations are seen as large-scale variations of radial shear in both the zonal and meridional flows relative to their mean values.
Richard S. Bogart +4 more
doaj +1 more source
Performance of a building integrated photovoltaic/thermal (BIPVT) solar collector [PDF]
, 2009 The idea of combining photovoltaic and solar thermal collectors (PVT collectors) to provide electrical and heat energy is an area that has, until recently, received only limited attention.
Carson, James K. +3 more
core +1 more source
Field-aligned currents are strongly modulated by corotating solar wind high-speed streams
Journal of Space Weather and Space ClimateBirkeland field-aligned currents (FACs) are associated with solar wind-magnetosphere energy coupling leading to substorms/convection events. FAC intensity enhancements have been studied during geomagnetic storms driven by interplanetary coronal mass ...
Hajra Rajkumar +8 more
doaj +1 more source
The 27-Day Oscillation in Ionospheric Total Electron Content Observed by GNSS
AtmosphereThe 27-day oscillation in total electron content (TEC) is analysed by means of world maps of TEC. The TEC maps are derived from measurements of the ground receiver network of the Global Navigation Satellite System (GNSS) and are provided by the ...
Klemens Hocke, Guanyi Ma
doaj +1 more source
The mechanism of magnetic flux rope rotation during solar eruption
Frontiers in Physics, 2023 Solar eruptions often show the rotation of filaments, which is a manifestation of the rotation of erupting magnetic flux rope (MFR). Such a rotation of MFR can be induced by either the torque exerted by a background shear-field component (which is an ...
Zhenjun Zhou +9 more
doaj +1 more source
Anti‐solar differential rotation
Astronomische Nachrichten, 2004 AbstractThe differential rotation of anti‐solar type detected by observations for several stars may result from a fast meridional flow. The sufficiently intensive meridional circulation may be caused by large‐scale thermal inhomogeneities or, perhaps, by tidal forcing from a companion star.
Kitchatinov, L. L., Rüdiger, G.
openaire +2 more sources
The Relative Position of the Solar Magnetic Dipole Axis and Rotation Axis of the Sun
GalaxiesWe estimated the relative location of the solar rotation axis and the magnetic axis of the solar dipole, which were defined as centers of polar coronal holes.
Alexandr Riehokainen +3 more
doaj +1 more source
Solar Rotation Stereoscopy in Microwaves
The Astrophysical Journal, 1995 We present here the first stereoscopic altitude measurements of active region sources observed at microwave frequencies (10-14 GHz). The active region NOAA 7128 was observed with the Owens Valley Radio Observatory (OVRO) on 1992 April 13, 14, 15, and 16 as it passed through the central meridian.
Gary, DE +3 more
openaire +2 more sources