Titlebook: Cometary Science after Hale-Bopp; Volume 1 Proceedings H. Boehnhardt,M. Combi,R. Schulz Conference proceedings 2003 Springer Science+Busine

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Physico-Chemistry of Comets: Models and Laboratory Experiments,ain a crucial tool for revealing the nature of cometary matter. Constraints on the nature of the primordial material available for incorporation into comets and other solar system material comes from analysis of data from space-based and ground-based observatories. The structure of the nuclear ice c

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Comet Grains: Their IR Emission and Their Relation to ISM Grains,als. The high porosity and fragility of cometary grains and CP IDPs, and anomalously high deuterium contents of highly fragile, pyroxenerich Cluster IDPs imply these aggregate particles contain significant abundances of grains from the interstellar medium (ISM). IR spectra of comets (3–40 .m) reveal

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Toward a General Theory of Deviant Behaviored from late-1996 mid-IR data and near-perihelion radio data. Unfortunately the two regimes give differing answers for the radius. A possible reconciliation of the two datasets is presented that would place the radius at around 30 km. This is a large cometary radius compared to the others that are k

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Howard B. Kaplan,Robert J. Johnsonious mathematical procedures and approximations are discussed, and different attempts to model the physical characteristics of cometary material, such as thermal conductivity, or permeability to gas flow, are described. The evolution and activity of comets is shown to depend on different classes of

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Howard B. Kaplan,Robert J. Johnsonomet both the chemical and dynamical influences of collisional processes are limited by the short time a parcel of gas sublimated from the nucleus remains in the dense part of the coma. The resulting large size of the collisional coma in comet Hale—Bopp had important consequences on the dynamics of

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