Paper:	Dust from AGB Stars
Volume:	378, Why Galaxies Care About AGB Stars: Their Importance as Actors and Probes
Page:	170
Authors:	Andersen, A.C.
Abstract:	Dust is formed in the expanding atmosphere during late stages of stellar evolution. Dust influences the dynamics and thermodynamics of the stellar atmosphere by its opacity. The dust opacity depends both on the optical properties of the grain material and on the amount of dust present. A rich source of information on some mineral phases of dust in AGB stars comes from the study of presolar grains from meteorites. This paper presents a short overview of presolar grain studies and describes how the optical properties of dust grains are obtained in the laboratory.

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