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Concepts

Index

Seeing a Light Year
Image of a Typical Open Cluster
Relative Galactic Position of the Solar System
Illustration of a Reflection Nebula
Image of the Summer Solstice
Illustration of a Red Giant
Location of the Northern Celestial Pole
Map of the Milky Way Galaxy
Image of Titan, a moon of Saturn
Illustration of a Comet
Location of the Vernal Equinox
Relative Galactic Position of the Northern Celestial Pole
The Milky Way
Diagram of the Northern Celestial Pole
The Sky at the Northern Celestial Pole
Life at the Vernal Equinox
Messier objects within the Virgo Cluster
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 NQ3Cluster, Ursa Major
Caldwell CatalogueCelestial Quadrant NQ4Cluster, Virgo
Carbon StarsCelestial Quadrant SQ3Cluster of Galaxies
CBRCelestial Quadrant SQ4Coma Cluster
Celestial EquatorCelestial SphereComet
Celestial MeridianClassical Kuiper Belt ObjectConstellation Family
Celestial PoleClusterConstellations
Celestial Pole, NorthernCluster, ComaCosmic Background Radiation
Celestial Pole, SouthernCluster, GalacticCrater
Celestial QuadrantCluster, GlobularCubewano
Celestial Quadrant NQ1Cluster, Local
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
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 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 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 NQ3Quadrant SQ3
Quadrant NQ1Quadrant NQ4Quadrant SQ4
Quadrant NQ2
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 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