Cosmology
Universal Address/Structure
Earth
Sol (Solar System)
Orion Spiral Arm
Milky Way Galaxy
Local Group (Galaxy Cluster)
Virgo (Galaxy Supercluster)
Filament
Universe
Cosmology
Big Bang Evidence
Timeline
CMBR
Doppler Effect
Spectroscopy
Light Speed Formula (roc)Â v = d / t
Astronomical Distances - miles, Astronomical Unit, Light-year
Electromagnetic Radiation
Emission Spectra
Absorption Spectra
Universe Structure
Size
Contents
HR Diagram
Luminosity
Temperature
Stellar Fusion
Hydrogen
Helium
Rest of Periodic Table
Stellar Evolution
Birth
Protostar
Ignition
Life
Death
White/Black Dwarfs
Supernova/Neutron Stars
Supernova/Black Holes