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A Comprehensive Study of Cavities on the Sun: Structure, Formation, and Evolution

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dc.contributor.advisor Zhang, Jie Karna, Nishu
dc.creator Karna, Nishu 2016-09-28T10:23:05Z 2016-09-28T10:23:05Z 2016
dc.description.abstract Coronal cavities are large scale structures in the solar corona that are closely related to the long-term evolution of the magnetic field in the photosphere as well as associated with energetic solar activity such as prominence eruptions and coronal mass ejections (CMEs), which are a primary driver of space weather. Coronal cavities are observed as elliptical-shaped and relatively low density dark regions above the solar limb in extreme ultraviolet (EUV), X-ray, and white-light coronal images. However, the nature of their magnetic field, how they form and their relationship to solar activity are not well understood. In this dissertation, several important questions regarding coronal cavity origin, structure, and relation to the solar cycle are addressed.
dc.format.extent 143 pages
dc.language.iso en
dc.rights Copyright 2016 Nishu Karna
dc.subject Astronomy en_US
dc.subject Plasma physics en_US
dc.subject Astrophysics en_US
dc.subject Cavity en_US
dc.subject Cavity Belt en_US
dc.subject Limb Synoptic Map en_US
dc.subject Magnetic Fields en_US
dc.subject Prominence/Filament en_US
dc.subject Solar Cycle en_US
dc.title A Comprehensive Study of Cavities on the Sun: Structure, Formation, and Evolution
dc.type Dissertation Ph.D. Computational Sciences and Informatics George Mason University

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