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Dust production in circumstellar space
J. Dorschner
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Abstract
Abstract Observational indications which point out that the formation of dust particles in the circumstellar space usually accompanies the formation of most stars are discussed. An analytic treatment of circumstellar crushing processes leading to dust grains is presented. A necessary and sufficient condition for the escape of dust grains produced in circumstellar space by fragmentation is given, and dynamical effects on the grains are estimated.