"Version: 20220901"--Title page verso.Includes bibliographical references.1. Astrophysical dust : an overview -- 1.1. Introduction -- 1.2. Methods of investigation -- 1.3. Interstellar environments -- 1.4. Significance2. The interaction of dust and electromagnetic radiation -- 2.1. Extinction -- 2.2. Polarization -- 2.3. Infrared emission -- 2.4. Grain dynamics3. The observed properties of dust…