Absolute brightness or Absolute magnitude
|
Amorphous solid
|
Astrometry
|
Astronomical unit (au)
|
Binary star or Binary system
|
Cosmic rays
|
Electron volt
|
Haplha emission line
|
Interferometer
|
Isotope
|
Keplers laws
|
Metallicity
|
Oblateness
|
Orbital resonance
|
Parsec
|
Photosphere
|
Polarization
|
Potential energy
|
Precession
|
Proper motion
|
Radial velocity
|
Spectral type or Spectral class
|