A9 · The expanding universe
A 20-module path through a9 · the expanding universe, in study order from foundations to the frontier.
Modules
- The Cosmological Principle
- Homogeneity and Isotropy in Cosmology
- Hubble–Lemaître Law
- The Hubble Constant
- The Expansion of the Universe and the Scale Factor
- Comoving and Proper Coordinates
- The FLRW Metric
- Spatial Curvature of the Universe
- The Friedmann Equations
- The Fluid and Acceleration Equations
- Equation of State in Cosmology
- Cosmological Redshift
- Critical Density and Density Parameters
- The Cosmological Constant
- Cosmic Distance Measures
- Luminosity Distance
- Angular Diameter Distance
- Cosmological Horizons
- The Deceleration Parameter
- Cosmological Models and Their Evolution