User:Hftf/Books/Astro/Q–R

Q–R

 * Quasar
 * Radial velocity
 * Radio galaxy
 * Radio telescope
 * Rayleigh–Jeans law
 * Red dwarf
 * Red giant
 * Redshift
 * Reflection nebulae
 * Relativistic beaming
 * Relativistic jet
 * Roche limit
 * Roche lobe
 * RR Lyrae variable