Dust metamorphosis in the galaxy |
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| Authors: | J Dorschner T Henning |
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| Institution: | (1) Research Unit  Dust in Star-forming Regions , Max Planck Society, Schillergä chen 2-3, D-07745 Jena, Germany |
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| Abstract: | Summary Cosmic dust grains play an important role for the thermal, dynamical, and chemical structure of the interstellar medium. This is especially true for the star formation process and the late stages of stellar evolution. Dust grains determine the spectral appearance of protostars, very young stellar objects with disk-like structures as well as of evolved stars with circumstellar envelopes.In this review, we will demonstrate that solid particles in interstellar space are both agent and subject of galactic evolution. We will especially discuss the different dust populations in circumstellar envelopes, the diffuse interstellar medium, and the molecular clouds with strong emphasis on the evolutionary aspects and the metamorphosis of these populations. |
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