Astrophysics of the Interstellar Medium

This insightful book explores the Interstellar Medium, covering its properties, dynamics, and significance in the broader context of astrophysics and cosmology.

The book Astrophysics of the Interstellar Medium is a comprehensive resource based on a series of lectures designed for a master's degree in Astrophysics and Cosmology at Padova University. It delves into the intricate properties of the Interstellar Medium (ISM), which plays a crucial role in the formation of stars and planetary systems. The text spans from the cold molecular phase, where these celestial bodies originate, to the hot coronal gas enveloping galaxies and clusters. Understanding the ISM is essential for advancing knowledge across various fields in astronomy and cosmology.

Divided into three distinct parts, Astrophysics of the Interstellar Medium offers a structured approach to complex topics. The first section introduces fluid dynamics equations applicable to a stationary system, followed by an exploration of the ISM's physical characteristics, including thermal conduction, viscosity, shock waves, and turbulence. Each concept is backed by real-world examples from galaxies, ensuring students grasp the material in a practical context.

In the second part, the focus shifts to the electromagnetic field and its influence on shock waves and gravitational forces. The final section discusses the properties of dust within the ISM and identifies the primary stellar energy sources. The concluding chapters address the various components of the ISM and the processes of molecular cloud formation and star birth, providing a holistic view of this fascinating area of study.