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Ejection of Grains from Cool Stars

Published online by Cambridge University Press:  14 August 2015

N. C. Wickramasinghe
N. C. Wickramasinghe*
Affiliation:
Dept. of Applied Mathematics, University College, Cardiff, Wales, U.K.

Abstract

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Dust grains expelled from cool stars are injected into interstellar clouds with typical velocities of ~ 103 km s–1. The interaction of such high-speed grains with gas is discussed. Grains are preferentially stopped within clouds of number density nH ≈ 10–30 cm–3. Collisions of grains with gas atoms could lead to heating and ionization of clouds and to the production of displacement defects in grains.

Type
Part VI Physical Processes, Theory and Experiment
Information
Symposium - International Astronomical Union , Volume 52: Interstellar Dust and Related Topics , 1973 , pp. 345 - 347
Copyright
Copyright © Reidel 1973 

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