User:X7423/Books/Glossary of astronomy

Glossary of astronomy

 * Glossary of astronomy


 * A
 * Absolute magnitude
 * Accretion disk
 * Active galactic nucleus
 * Albedo
 * Albedo feature
 * Am star
 * Anticenter shell
 * Apparent magnitude
 * Appulse
 * Apsis
 * Argument of periapsis
 * Asterism (astronomy)
 * Asteroid
 * Asteroid belt
 * Astrometry
 * Astronomical catalog
 * Astronomical object
 * Astronomical radio source
 * Astronomical spectroscopy
 * Astronomical symbols
 * Astronomical unit
 * Astronomy
 * Astrophysics
 * Atmosphere
 * Axial precession
 * Axial tilt
 * Azimuth


 * B
 * Barycenter
 * Baryogenesis
 * Be star
 * Big Bang
 * Binary star
 * Black hole
 * Brown dwarf


 * C
 * Celestial equator
 * Celestial event
 * Celestial mechanics
 * Celestial pole
 * Celestial sphere
 * Chromosphere
 * Circumstellar disc
 * Clearing the neighbourhood
 * Color index
 * Comet
 * Commensurability (astronomy)
 * Compact star
 * Conjunction (astronomy)
 * Constellation
 * Corona
 * Coronal mass ejection
 * Cosmic dust
 * Cosmic microwave background
 * Cosmic ray
 * Cosmogony
 * Cosmology


 * D
 * Debris disk
 * Declination
 * Diurnal motion
 * Double star
 * Dwarf planet
 * Dwarf star


 * E
 * Ecliptic
 * Effective temperature
 * Elliptical galaxy
 * Elongation (astronomy)
 * Ephemeris
 * Epoch (astronomy)
 * Equatorial coordinate system
 * Equinox
 * Escape velocity
 * Exoplanet
 * Extinction (astronomy)


 * F
 * Facula
 * Field galaxy
 * Fixed stars
 * Flare star
 * Fulton gap


 * G
 * Galactic anticenter
 * Galactic coordinate system
 * Galactic corona
 * Galactic tide
 * Galactic year
 * Galaxy
 * Galaxy cluster
 * Galaxy group
 * Galilean moons
 * Gamma-ray burst
 * Gas giant
 * Geometric albedo
 * Giant planet
 * Globular cluster
 * Gravitational collapse
 * Gravitational lens
 * Gravitational-wave astronomy


 * H
 * H II region
 * Heliocentrism
 * Heliosphere
 * Hertzsprung–Russell diagram
 * Hill sphere


 * I
 * Ice giant
 * Inferior and superior planets
 * International Astronomical Union
 * Interstellar medium
 * Ionosphere
 * Irregular galaxy
 * Irregular moon


 * J
 * Jeans instability


 * K
 * Kelvin–Helmholtz mechanism
 * Kepler orbit
 * Kuiper belt


 * L
 * Lagrangian point
 * Laniakea Supercluster
 * Libration
 * Light-year
 * Limb darkening
 * Longitude of the ascending node
 * Luminosity


 * M
 * Magnetosphere
 * Magnitude (astronomy)
 * Main sequence
 * Mean anomaly
 * Meridian (astronomy)
 * Messier object
 * Metallicity
 * Meteor shower
 * Meteorite
 * Meteoroid
 * Milky Way
 * Minor planet
 * Molecular cloud
 * Moment of inertia factor
 * Morning width
 * Multi-messenger astronomy


 * N
 * Natural satellite
 * Near-Earth object
 * Nebula
 * Neutrino
 * Neutron star
 * Night sky
 * Number density


 * O
 * Observable universe
 * Oort cloud
 * Opacity (optics)
 * Open cluster
 * Opposition (planets)
 * Orbit
 * Orbital eccentricity
 * Orbital elements
 * Orbital inclination
 * Orbital period
 * Orbital resonance
 * Orbital speed
 * Outer space


 * P
 * Parsec
 * Perturbation (astronomy)
 * Phase angle (astronomy)
 * Photometric system
 * Photosphere
 * Planet
 * Planetary differentiation
 * Planetary nebula
 * Planetary science
 * Planetary system
 * Planetesimal
 * Precession
 * Primary (astronomy)
 * Proper motion
 * Protoplanet
 * Protoplanetary disk
 * Protostar
 * Pulsar


 * Q
 * Quasar


 * R
 * Radial velocity
 * Red-giant branch
 * Redshift
 * Regular moon
 * Right ascension
 * Ring system
 * Roche limit
 * Rotation period


 * S
 * Satellite
 * Satellite galaxy
 * Secular variation
 * Semi-major and semi-minor axes
 * Sidereal time
 * Sidereal year
 * Sky
 * Small Solar System body
 * Solar System
 * Solar wind
 * Solstice
 * Spherical astronomy
 * Spiral galaxy
 * Star
 * Star catalogue
 * Star system
 * Starburst galaxy
 * Starfield (astronomy)
 * Stellar atmosphere
 * Stellar classification
 * Stellar designations and names
 * Stellar evolution
 * Stellar kinematics
 * Stellar magnetic field
 * Stellar parallax
 * Subsatellite
 * Substellar object
 * Sun
 * Supercluster
 * Supermassive black hole
 * Supernova
 * Surface gravity
 * Syzygy (astronomy)


 * T
 * Tautochrone curve
 * Telescope
 * Terminator (solar)
 * Tidal acceleration
 * Tidal locking
 * Trans-Neptunian object
 * Transit (astronomy)
 * Tully–Fisher relation


 * U
 * UBV photometric system
 * Universe


 * V
 * Variable star
 * Velocity dispersion
 * Virgo Supercluster


 * W
 * White dwarf
 * Wilson–Bappu effect


 * X
 * Y
 * Z
 * Zenith
 * Zodiac