Skip to main content
Caltech Course Catalog / 2025-2026 Catalog / Courses 2025-26 / Physics of the Interstellar Medium

Ay 102 - Physics of the Interstellar Medium

Ay 102

Physics of the Interstellar Medium

9 units (3-0-6)   |  second term
Prerequisites: Ay 20 is recommended. Ph 2 abc or Ph 12 abc is recommended.
An introduction to observations of the interstellar medium and relevant physical processes. Phases of the gaseous interstellar medium. Thermal balance in neutral and ionized gas. Molecular gas and star formation. Hot ionized gas. Structure and hydrodynamic evolution of ISM regions near massive stars; supernovae shocks. Global models for the interstellar medium. Interstellar and circumstellar dust.
Instructor: Hopkins
Published Date: Aug. 29, 2025