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Grain Evolution in the Framework of Disk-Halo Interactions

Published online by Cambridge University Press:  03 August 2017

F. Ferrini*
Affiliation:
Dipartimento di Fisica Università di Pisa 56100 Pisa, Italy

Abstract

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The presence of dust grains at high galactic latitude as well as in the Halo of external galaxies has received substantial observative support in the last few years. Besides intense hydrodynamics stirring phenomena, like supernovae expanding shells, stellar winds and Galactic fountains, the removal of dust from the Disk can be ascribed to the global galactic radiation field. The continuous sputtering in the hot Halo gas may explain the large scale height found for refractory elements (Edgar and Savage, 1989).

Type
III. Theory and Modelling
Copyright
Copyright © Kluwer 1991 

References

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