Hydrogen in GalaxiesExplores the role of hydrogen in galaxies, its forms, interactions, and measurement methods.
Calorimeter Model and Milky WayCovers the Calorimeter model of the interstellar medium and explores the spectrum of a normal galaxy and Milky Way emission.
Galaxy ObservationsCovers the observation of galaxies, including historical evolution, galaxy sequences, and dark matter.
Galaxy-Galaxy LensingExplores galaxy-galaxy lensing, mapping dark matter distribution and interpreting lensing signals.