User:Garyzx/Books/SO2


 * Big Bang
 * Cepheid variable
 * Classical Cepheid variable
 * Type II Cepheid
 * Cosmic distance ladder
 * Distance measures (cosmology)
 * Comoving distance
 * Doppler effect
 * Doppler shift
 * Electromagnetic radiation
 * Electromagnetic spectrum
 * Gravitation
 * Kepler's laws of planetary motion
 * Light
 * Light curve
 * Luminosity
 * Luminosity distance
 * Absolute magnitude
 * Apparent magnitude
 * Orbit
 * Recessional velocity
 * Redshift
 * Solar mass
 * Spectroscopy
 * Spectral line
 * Astronomical spectroscopy