Contents -- Lives and Deaths of Stars
Introduction
Stellar Evolution
Mass Dependence
The Basic Scheme
Stage 1: Giant Molecular Cloud
Stage 2: Protostar
Stage 3: T-Tauri
Stage 4: Main Sequence
Stage 5: Subgiant, Red Giant, Supergiant
Stage 6: Core fusion
Stage 7: Red Giant or Supergiant
Stage 8: Planetary Nebula or Supernova
Stage 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 Ia
Type Ia vs Ib, Ic, and II
Neutron Stars
Pulsars
Lighthouse Model
Energy from Spin
Spin Glitch
Black Holes
Ultra-strong Gravity
General Relativity
Detecting Black Holes
Mass of Companion in Binary
X-rays from Accretion Disk
Review Questions
Astronomy Notes home