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Concepts

Index

Image of a Galaxy
Messier objects within the Virgo Cluster
Life at the Vernal Equinox
A Typical K-type Star
Relative Galactic Position of the Northern Celestial Pole
The Milky Way
Map of the Milky Way Galaxy
Part of the Hyades in Taurus
Illustration of a Reflection Nebula
Location of the Galactic Nucleus
Relative Galactic Position of the Solar System
Location of the Northern Celestial Pole
Diagram of the Northern Celestial Pole
Location of the Vernal Equinox
The Northern Ecliptic Pole in Draco
Illustration of a Constellation, Leo
Illustration of a Comet
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 StarsBlack DwarfBright Yellow Stars
Barred Spiral GalaxyBlack HoleBrown Dwarf
Bayer DesignationBlue StarsBSC
BinaryBright Star Catalog
C
C-type StarsCelestial Quadrant NQ2Cluster, Open
Calcium StarsCelestial Quadrant NQ4Cluster, Ursa Major
Caldwell CatalogueCelestial Quadrant SQ3Cluster, Virgo
Carbon StarsCelestial Quadrant SQ4Cluster of Galaxies
CBRCelestial SphereComa Cluster
Celestial EquatorClassical Kuiper Belt ObjectComet
Celestial MeridianClusterConstellation Family
Celestial PoleCluster, ComaConstellations
Celestial Pole, NorthernCluster, GalacticCosmic Background Radiation
Celestial Pole, SouthernCluster, GlobularCrater
Celestial QuadrantCluster, LocalCubewano
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
HemisphereHercules FamilyHubble Classification
I
ICInterstellar MediumISM
Index CatalogueIrregular Galaxy
J
Jovian Planets
K
K-type StarsKuiper BeltKuiper Belt, Classical Object
Kelvin Scale
L
Leo I GroupLimbLuminosity
LifeLocal ClusterLunar Seas
Light YearLocal Group
M
M-type StarsMagnitude, ApparentMessier Catalogue
M96 GroupMain Sequence StarsMilky Way
Magellanic CloudsMariaMoons
MagnitudeMassMultiple Stars
Magnitude, AbsoluteMeridian, Celestial
N
N-type StarsNEPNorthern Celestial Pole
NebulaNeutron StarNorthern Ecliptic Pole
Nebula, AbsorptionNew General CatalogueNorthern Galactic Pole
Nebula, DarkNew MoonNQ2, Celestial Quadrant
Nebula, EmissionNGCNQ4, Celestial Quadrant
Nebula, PlanetaryNorth Polar SequenceNubeculae Magellani
Nebula, Reflection
O
O-type StarsOrbitOrion Arm
Open ClusterOrbital EccentricityOrange Stars
Optical DoubleOrbital PeriodOuter Arm
P
Pale Yellow StarsPlanetary NebulaPrecession
Parallax SecondPlanetsPrecession Circle
ParsecPlanets, JovianProminence
PerihelionPlanets, TerrestrialProtoplanet
Perseus ArmPopulation IProtostar
Perseus FamilyPopulation IIPulsating Variable
Photosphere
Q
Quadrant, CelestialQuadrant NQ4Quadrant SQ4
Quadrant NQ2Quadrant SQ3
R
R-type StarsReflection NebulaRight Ascension
RARetrogradeRings
Red Stars
S
S-type GalaxySidereal PeriodSpring Equinox
S-type StarsSolar NebulaSQ3, Celestial Quadrant
Sagittarius ArmSolar SystemSQ4, Celestial Quadrant
SatelliteSolar WindStar Cluster
SB-type GalaxySolsticeStars
Schwarzchild RadiusSolstice, SummerSubdwarf
Scutum-Centaurus ArmSolstice, WinterSubgiant
Scutum-Crux ArmSouthern Celestial PoleSummer Solstice
Seas, LunarSouthern Ecliptic PoleSunspot
Semi-Major AxisSpectral ClassificationSupergiant
SEPSpiral ArmSupernova
Sidereal DaySpiral Galaxy
T
Terrestrial Planets
U
UniverseUrsa Major Cluster
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