Structures in the Outer Solar Atmosphere

The structure and dynamics of the outer solar atmosphere are reviewed with emphasis on the role played by the magnetic field. Contemporary observations that focus on high resolution imaging over a range of temperatures, as well as UV, EUV and hard X-ray spectroscopy, demonstrate the presence of a va...

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Bibliographic Details
Published in:Space science reviews 2015-05, Vol.188 (1-4), p.211-249
Main Authors: Fletcher, L., Cargill, P. J., Antiochos, S. K., Gudiksen, B. V.
Format: Article
Language:English
Subjects:
Aerospace Technology and Astronautics
Astronomy
Astrophysics and Astroparticles
Atmosphere
Chromosphere
Coupling
Magnetic fields
Magnetic properties
Particle energy
Physics
Physics and Astronomy
Planetology
Small scale
Solar atmosphere
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Sun
X-ray spectroscopy
X-rays
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Summary:The structure and dynamics of the outer solar atmosphere are reviewed with emphasis on the role played by the magnetic field. Contemporary observations that focus on high resolution imaging over a range of temperatures, as well as UV, EUV and hard X-ray spectroscopy, demonstrate the presence of a vast range of temporal and spatial scales, mass motions, and particle energies present. By focusing on recent developments in the chromosphere, corona and solar wind, it is shown that small scale processes, in particular magnetic reconnection, play a central role in determining the large-scale structure and properties of all regions. This coupling of scales is central to understanding the atmosphere, yet poses formidable challenges for theoretical models.
ISSN:0038-6308
1572-9672
DOI:10.1007/s11214-014-0111-1