Interstellar Dust: Proceedings of the 135th Symposium of the International Astronomical Union, Held

Section I: Dust in the Diffuse Interstellar Medium.- Measurements of Interstellar Extinction.- Insights on Dust Grain Formation and Destruction Provided by Gas-Phase Element Abundances.- Interstellar Extinction in External Galaxies.- Dust towards the Galactic Centre.- Linear and Circular Polarization in the Diffuse ISM.- Diffuse Interstellar Bands.- Visible/UV Scattering by Interstellar Dust.- Section II: The Overidentified Infrared Emission Features.- Infrared Emission from Reflection Nebulæ.- Observations of HII Regions and Planetary Nebulæ: the Infrared Emission Bands.- Aromatic Infrared Emission in Cirrus Clouds.- The Infrared Emission Features and PAHs.- The Infrared Emission Features and HAC Particles.- Optical Properties of Carbonaceous Materials.- Physical and Chemical Properties of PAHs.- The PAH Hypothesis and the Extinction Curve.- A Critical Assessment of the PAH Hypothesis.- Chemical, Optical and Infrared Properties of QCCs.- Grains, or Molecules? Thermal, or non-Thermal?.- Infrared Emission Mechanism in Large Isolated Molecules.- Panel Discussion on Treatments of Processes in PAH Molecules.- Ection III: Dust in Dense Clouds.- The Heating of Interstellar Gas by Dust.- Dust in Dense Clouds.- Dust and the Gas Phase Composition of Dense Clouds.- Polarized Infrared Emission from Dust.- Section IV: Dust in Galaxies.- Far Infrared Emission from Galactic and Extragalactic Dust.- Observations of Infrared Emission from Galaxies.- Section V: Optical Properties of Grains.- On the Interpretation of the ? 2175 Å Feature.- Pitfalls in Calculating Scattering by Small Particles.- Fractal Dust Grains.- Section VI: Interstellar Dust Models.- The Core-Mantle Model of Interstellar Grains and the Cosmic Dust Connection.- Bare Carbon/Silicate Theories.- Grains in Diffuse Clouds: Carbon-Coated Silicate Cores.- Open Panel Discussion on Interstellar Grain Models.- Section VII: Interstellar Dust and the Solar System.- Interstellar Molecules in Meteorites.- Interstellar Grains in Meteorites: Diamond and Silicon Carbide.- Interstellar Dust in Collected Interplanetary Dust Particles.- Comet Dust: Connections with Interstellar Dust.- Section VIII: Bust Formation and Destruction.- Dust Destruction in the Interstellar Medium.- Sources of Stardust in the Galaxy.- The Composition of Dust in Stellar Ejecta.- Dust Condensation in Stellar Outflows.- Infrared Emission from Dust in Supernovae and Supernova Remnants.- Summary.- Critical Questions for the Future.- Contributed Papers.- Addresses of Participants.- Object Index.- Index of Molecules.