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Concepts

Index

Location of the Galactic Centrepoint
Image of a Galaxy
Image of Titan, a moon of Saturn
The First Point of Aries
Relative Galactic Position of the Northern Celestial Pole
Image of the Summer Solstice
The Sky at the Northern Celestial Pole
Part of the Hyades in Taurus
Relative Galactic Position of the Solar System
Location of the First Point of Aries
Location of the Vernal Equinox
Comparative Size of a Dwarf
Messier objects within the Virgo Cluster
The Sun, Venus and Mercury
Illustration of a Comet
The Milky Way
Illustration of a Red Giant
A
A-type StarsApparent MagnitudeArm, Scutum-Crux
AbbreviationsArcturian StarsArm, Spiral
Abell 1656Area, AngularAsterism
Absolute MagnitudeAries, First Point ofAsteroid
Absolute TemperatureArm, GalacticAsteroid Belt
Absorption NebulaArm, OrionAstronomical Unit
Angular AreaArm, OuterAU
AphelionArm, PerseusAutumnal Equinox
Apollo GroupArm, Sagittarius
B
B-type StarsBinaryBright Star Catalog
Barred Spiral GalaxyBlack DwarfBright Yellow Stars
Bayer DesignationBlack HoleBrown Dwarf
Bayer FamilyBlue StarsBSC
C
C-type StarsCelestial Quadrant NQ2Cluster, Local
Calcium StarsCelestial Quadrant NQ3Cluster, Open
Caldwell CatalogueCelestial Quadrant NQ4Cluster, Ursa Major
Carbon StarsCelestial Quadrant SQ2Cluster, Virgo
CBRCelestial Quadrant SQ3Cluster of Galaxies
Celestial EquatorCelestial Quadrant SQ4Coma Cluster
Celestial MeridianCelestial SphereComet
Celestial PoleClassical Kuiper Belt ObjectConstellation Family
Celestial Pole, NorthernClusterConstellations
Celestial Pole, SouthernCluster, ComaCosmic Background Radiation
Celestial QuadrantCluster, GalacticCrater
Celestial Quadrant NQ1Cluster, GlobularCubewano
D
Dark MatterDiameterDwarf
Dark NebulaDrake EquationDwarf Planet
Declination
E
EccentricityElliptical GalaxyEquinox, Autumnal
EclipseEmission NebulaEquinox, Vernal
EclipticEquator, CelestialExoplanet
Ecliptic Pole, NorthernEquinoxExtrasolar Planet
F
F-type StarsFirst Point of AriesFull Moon
Family, ConstellationFlamsteed Numbers
G
G-type StarsGalaxiesGenitives
Galactic ArmGalaxy, TheGiant
Galactic ClusterGalaxy ClusterGlobular Cluster
Galactic CoreGalilean MoonsGravity
Galactic NucleusGas GiantsGreen Bank Equation
Galactic Pole, Northern
H
HD CatalogueHenry Draper CatalogueHR Catalog
Heavenly Waters FamilyHercules FamilyHubble Classification
Hemisphere
I
ICInterstellar MediumISM
Index CatalogueIrregular Galaxy
J
Jovian Planets
K
K-type StarsKuiper BeltKuiper Belt, Classical Object
Kelvin Scale
L
La Caille FamilyLight YearLocal Group
Leo I GroupLimbLuminosity
LifeLocal ClusterLunar Seas
M
M-type StarsMagnitude, ApparentMessier Catalogue
M96 GroupMain Sequence StarsMilky Way
Magellanic CloudsMariaMoons
MagnitudeMassMultiple Stars
Magnitude, AbsoluteMeridian, Celestial
N
N-type StarsNEPNorthern Ecliptic Pole
NebulaNeutron StarNorthern Galactic Pole
Nebula, AbsorptionNew General CatalogueNQ1, Celestial Quadrant
Nebula, DarkNew MoonNQ2, Celestial Quadrant
Nebula, EmissionNGCNQ3, Celestial Quadrant
Nebula, PlanetaryNorth Polar SequenceNQ4, Celestial Quadrant
Nebula, ReflectionNorthern Celestial PoleNubeculae Magellani
O
O-type StarsOrbital EccentricityOrion Family
Open ClusterOrbital PeriodOrange Stars
Optical DoubleOrion ArmOuter Arm
Orbit
P
Pale Yellow StarsPlanetary NebulaPrecession
Parallax SecondPlanetsPrecession Circle
ParsecPlanets, JovianProminence
PerihelionPlanets, TerrestrialProtoplanet
Perseus ArmPopulation IProtostar
Perseus FamilyPopulation IIPulsating Variable
Photosphere
Q
Quadrant, CelestialQuadrant NQ3Quadrant SQ3
Quadrant NQ1Quadrant NQ4Quadrant SQ4
Quadrant NQ2Quadrant SQ2
R
R-type StarsReflection NebulaRight Ascension
RARetrogradeRings
Red Stars
S
S-type GalaxySidereal PeriodSpring Equinox
S-type StarsSolar NebulaSQ2, Celestial Quadrant
Sagittarius ArmSolar SystemSQ3, Celestial Quadrant
SatelliteSolar WindSQ4, Celestial Quadrant
SB-type GalaxySolsticeStar Cluster
Schwarzchild RadiusSolstice, SummerStars
Scutum-Centaurus ArmSolstice, WinterSubdwarf
Scutum-Crux ArmSouthern Celestial PoleSubgiant
Seas, LunarSouthern Ecliptic PoleSummer Solstice
Semi-Major AxisSpectral ClassificationSunspot
SEPSpiral ArmSupergiant
Sidereal DaySpiral GalaxySupernova
T
Terrestrial Planets
U
UniverseUrsa Major ClusterUrsa Major Family
V
Variable StarsVernal EquinoxVirgo Group
Variable Stars, PulsatingVirgo ClusterVirgo I
W
W-type StarsWinter SolsticeWhite Stars
White Dwarf
Y
Yellow Stars (G-type)Yellow Stars (F-type)
Z
Zodiac

Indexes