Lives and Deaths of Stars

Contents

• Introduction
• Stellar Evolution
  • Mass Dependence
  • The Basic Scheme
    1. Giant Molecular Cloud
    2. Protostar
    3. T-Tauri
    4. Main Sequence
    5. Subgiant, Red Giant, Supergiant
    6. Core fusion
    7. Red Giant or Supergiant
    8. Planetary Nebula or Supernova
    9. Core Remnant
  • Stellar Nucleosynthesis
  • Review Questions
  • Confirmation of Stellar Evolution Models
  • Finding the Ages of Clusters
  • Review Questions
• Stellar Remnants
  • Degenerate matter
    • Strongly resist compression.
    • Pressure only depends on speed of degenerate particles NOT the temperature.
    • Larger mass means more compression---smaller object!
  • White Dwarfs
  • Novae and Supernovae Type I
  • Neutron Stars
  • Pulsars
    • Lighthouse Model
    • Energy from Spin
    • Spin Glitch
  • Black Holes
    1. Escape Velocity
  • General Relativity
  • Evidence of Warped Space-Time
    • Bending of Light
    • Slowing Down of Time (Time Dilation)
    • Gravitational Redshift
  • Detecting Black Holes
    • Mass of Companion in Binary
    • X-rays from Accretion Disk
  • Review Questions