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A theory of the interstellar medium - Three components regulated by supernova explosions in an inhomogeneous substrate
Supernova explosions in a cloudy interstellar medium produce a three-component medium in which a large fraction of the volume is filled with hot, tenuous gas. In the disk of the galaxy the evolutionExpand
Neutral Atomic Phases of the Interstellar Medium in the Galaxy
Much of the interstellar medium in disk galaxies is in the form of neutral atomic hydrogen, H i. This gas can be in thermal equilibrium at relatively low temperatures, Td300 K (the cold neutralExpand
Theory of Star Formation
We review current understanding of star formation, outlining an overall theoretical framework and the observations that motivate it. A conception of star formation has emerged in which turbulenceExpand
Pressure-confined clumps in magnetized molecular clouds
A substantial fraction of the mass of a giant molecular cloud (GMC) in the Galaxy is confined to clumps which occupy a small fraction of the volume of the cloud. A majority of the clumps in severalExpand
The neutral atomic phases of the interstellar medium
We calculate the thermal equilibrium gas temperature of the diffuse interstellar medium. Our method incorporates a new photoelectric heating rate from small grains and polycyclic aromaticExpand
Molecule Formation and Infrared Emission in Fast Interstellar Shocks. III. Results for J Shocks in Molecular Clouds
The structure and emission spectrum of J shocks in molecular gas are studied over a broad range of conditions. It is found that at high densities chemistry has a profound effect on the emissionExpand
A general theory of turbulence-regulated star formation, from spirals to ultraluminous infrared galaxies
We derive an analytic prediction for the star formation rate in environments ranging from normal galactic disks to starbursts and ULIRGs in terms of the observables of those systems. Our calculationExpand
Molecule formation and infrared emission in fast interstellar shocks. I Physical processes
We analyze the structure of fast (..nu../sub s/>25 km s/sup -1/) shocks incident upon interstellar gas of ambient density 10 cm/sup -3/
Dynamics of radiative supernova remnants
A high-resolution numerical simulation is used to study the evolution of a SNR evolving in a homogeneous uniform medium. Emphasis is placed on the transition from the adiabatic stage to the radiativeExpand