A Study of the Fine Structures in the Solar Chromosphere PDF Download
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Author: Jacques Maurice Beckers
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 138
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Book Description
Author: Jacques Maurice Beckers
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 138
Get Book Here
Book Description
Author: Jacques Maurice Beckers
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages : 146
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Book Description
"This study of high-resolution solar disk spectroheliograms, or filtergrams, gives one an insight into the horizzontal distribution of chromospheric fine structureswhich is hard to obtain from limb observations. The main part of this paper is concerned with such a study in the light of the Hydrogen H line (6562.8A) and the Calcium K line (3933.7A) ..."--Page iii.
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Category : Nuclear energy
Languages : en
Pages : 1216
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Category : Aeronautics
Languages : en
Pages : 318
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Author: R.G. Athay
Publisher: Springer Science & Business Media
ISBN: 9401017158
Category : Science
Languages : en
Pages : 517
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Book Description
The widespread tendency in solar physics to divide the solar atmosphere into separate layers and to distinguish phenomena of solar activity from phenomena of the quiet Sun emphasizes the wide ranging diversity of physical conditions and events occurring in the solar atmosphere. This diversity spans the range from a neutral, essentially quiescent atmosphere to a highly ionized, violently convective atmosphere; from a domain in which magnetic field effects are unimportant to a domain in which the magnetic pressure exceeds the gas pressure, and from a domain in which the particle motions are Maxwellian to a domain in which an appreciable fraction of the particles is accelerated to relativistic energies. It is now widely recognized that the chromosphere and corona have a common origin in the mechanical energy flux generated in the hydrogen convection zone lying beneath the photosphere. Furthermore, magnetic field phenomena appear to be as vital to the structure of th~ quiet Sun as to the active Sun. For these reasons it appears desirable to present a unified treatment of the entire solar atmosphere, both active and quiet, in a single volume. On the other hand, such a treatise must be very long if it is to avoid being superficial, and it is very difficult for a single author to write authoritatively on such a wide range of topics.
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Category : Power resources
Languages : en
Pages : 506
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Category :
Languages : en
Pages : 570
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Category : Military research
Languages : en
Pages : 854
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Author: R.G. Athay
Publisher: Springer Science & Business Media
ISBN: 9401021031
Category : Science
Languages : en
Pages : 296
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Book Description
The devotion of an IA U symposium entirely to the topic of chromo spheric fine structure at a time when models of the spherically symmetric chromosphere are still evolving constitutes a valid recognition of the growing feeling among solar astron omers that the chromosphere cannot be understood independently of its discrete structural features. Network structure, which seemingly borders the photospheric supergranule cells, persists intact throughout the chromosphere and most of the chromosphere-corona transition region. The network is the locus of the bright coarse mottles, and the spicule bushes and is the terminus for one end of the quiet chromo spheric fibrils as well. Additionally, it is the locus of most of the magnetic flux of the quiet chromosphere. It is not surprising, therefore, that current studies of the chromosphere tend to center around efforts to better describe the network phenom ena and to ascertain the physical properties of the network features. Clearly, the supergranule cells and associated network structures constitute a fundamental and singularly important feature of solar structure in the boundary layers. Just as it is now clear that much of the chromo spheric fine structure is associated with the network bordering supergranule cells, it seems equally clear that structural features are almost universally associated with both fluid flow and magnetic geometry. Indeed, many observers claim that the brightness features faithfully map the mag netic lines offorce while still others claim that associated with each class of brightness feature there is a more or less unique fluid flow.
Author: R. J. Bray
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 456
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Book Description
A young boy, angry because his family is moving again, begins to play with puppets rather than make new friends.
