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Concepts

Index

Part of the Hyades in Taurus
Image of a Galaxy
Illustration of a Reflection Nebula
Comparative Size of a Dwarf
Life at the Vernal Equinox
Location of the Vernal Equinox
Relative Galactic Position of the Solar System
The First Point of Aries
Relative Galactic Position of the Northern Celestial Pole
The Northern Ecliptic Pole in Draco
Map of the Milky Way Galaxy
Image of a Typical Open Cluster
Diagram of the Northern Celestial Pole
The Milky Way
Image of Titan, a moon of Saturn
Image of the Summer Solstice
Location of the Galactic Nucleus
A
A-type StarsArcturian StarsArm, Scutum-Crux
AbbreviationsArea, AngularArm, Spiral
Absolute MagnitudeAries, First Point ofAsterism
Absolute TemperatureArm, GalacticAsteroid
Absorption NebulaArm, OrionAsteroid Belt
Angular AreaArm, OuterAstronomical Unit
Apollo GroupArm, PerseusAU
Apparent MagnitudeArm, SagittariusAutumnal Equinox
B
B-type StarsBlack DwarfBright Yellow Stars
Barred Spiral GalaxyBlack HoleBrown Dwarf
Bayer DesignationBlue StarsBSC
BinaryBright Star Catalog
C
C-type StarsCelestial Pole, NorthernCluster, Open
Calcium StarsCelestial Pole, SouthernCluster, Virgo
Carbon StarsCelestial SphereCluster of Galaxies
CBRClusterComet
Celestial EquatorCluster, GalacticConstellations
Celestial MeridianCluster, GlobularCosmic Background Radiation
Celestial PoleCluster, LocalCrater
D
Dark MatterDiameterDwarf
Dark NebulaDrake EquationDwarf Planet
Declination
E
EclipseElliptical GalaxyEquinox
EclipticEmission NebulaEquinox, Autumnal
Ecliptic Pole, NorthernEquator, CelestialEquinox, Vernal
F
F-type StarsFlamsteed NumbersFull Moon
First Point of Aries
G
G-type StarsGalaxiesGenitives
Galactic ArmGalaxy, TheGiant
Galactic ClusterGalaxy ClusterGlobular Cluster
Galactic CoreGalilean MoonsGravity
Galactic NucleusGas GiantsGreen Bank Equation
Galactic Pole, Northern
H
HD CatalogHenry Draper CatalogHubble Classification
Hemisphere
I
ICInterstellar MediumISM
Index CatalogueIrregular Galaxy
J
Jovian Planets
K
K-type StarsKelvin Scale
L
LifeLocal ClusterLuminosity
Light YearLocal GroupLunar Seas
Limb
M
M-type StarsMain Sequence StarsMessier Catalogue
MagnitudeMariaMilky Way
Magnitude, AbsoluteMassMoons
Magnitude, ApparentMeridian, CelestialMultiple Stars
N
N-type StarsNebula, PlanetaryNGC
NebulaNebula, ReflectionNorth Polar Sequence
Nebula, AbsorptionNeutron StarNorthern Celestial Pole
Nebula, DarkNew General CatalogueNorthern Ecliptic Pole
Nebula, EmissionNew MoonNorthern Galactic Pole
O
O-type StarsOrbitOrange Stars
Open ClusterOrion ArmOuter Arm
Optical Double
P
Pale Yellow StarsPlanetsPrecession
Parallax SecondPlanets, JovianPrecession Circle
ParsecPlanets, TerrestrialProminence
Perseus ArmPopulation IProtoplanet
PhotospherePopulation IIProtostar
Planetary Nebula
R
R-type StarsReflection NebulaRight Ascension
RARetrogradeRings
Red Stars
S
S-type GalaxySolar NebulaSpring Equinox
S-type StarsSolar SystemStar Cluster
Sagittarius ArmSolar WindStars
SatelliteSolsticeSubdwarf
SB-type GalaxySolstice, SummerSubgiant
Schwarzchild RadiusSolstice, WinterSummer Solstice
Scutum-Crux ArmSouthern Celestial PoleSunspot
Seas, LunarSpectral ClassificationSupergiant
Sidereal DaySpiral ArmSupernova
Sidereal PeriodSpiral Galaxy
T
Terrestrial Planets
U
Universe
V
Variable StarsVernal EquinoxVirgo Cluster
W
W-type StarsWinter SolsticeWhite Stars
White Dwarf
Y
Yellow Stars (G-type)Yellow Stars (F-type)
Z
Zodiac

Indexes