Gas Dynamics Supernovae Stellar Evolution Galaxy Evolution Massive Stars Star Clusters Star-Forming Regions Nebulae Early Universe Quenched Galaxies Galaxy Mergers Binary Star Systems Hot Stars Population III Stars Starburst Regions Stellar Mass Molecular Clouds Supernovas Universe Expansion Starburst Galaxies Young Stars Stellar Populations Stellar Nurseries Gas Accumulation Black Holes Molecular Hydrogen Galaxy Formation Dust Distribution Stellar Systems Orbital Mechanics Binary Systems Gravitational Forces Stellar Clusters Cosmic Evolution Galactic Dynamics Reionization First Stars Organic Molecules Cold Gas Globular Clusters Starbursts Brown Dwarfs Interstellar Gas Variable Stars Galactic Evolution Binary Stars