The list of AOIM keywords in VOcabulary format (Version wd-1.0)
type: ConceptScheme
created: 2008-05-08
has top concept: Cosmology
has top concept: Galaxy
has top concept: Interplanetary Body
has top concept: Nebula
has top concept: Planet
has top concept: Sky Phenomenon
has top concept: Star
has top concept: Technology

Cosmology
type: Concept
alternative label: 6 Cosmology
hidden label: 6 @zxx
narrower: Cosmology: Morphology: Cosmic Background
narrower: Cosmology: Morphology: Deep Field
narrower: Cosmology: Morphology: Large-Scale Structure
narrower: Cosmology: Phenomenon: Dark Matter
narrower: Cosmology: Phenomenon: Gamma Ray Burst
narrower: Cosmology: Phenomenon: Lensing

Cosmology: Morphology: Cosmic Background
type: Concept
alternative label: 6.1.3 Cosmic Background
broader: Cosmology
hidden label: 6.1.3 @zxx

Cosmology: Morphology: Deep Field
type: Concept
alternative label: 6.1.1 Deep Field
broader: Cosmology
hidden label: 6.1.1 @zxx

Cosmology: Morphology: Large-Scale Structure
type: Concept
alternative label: 6.1.2 Large-Scale Structure
broader: Cosmology
hidden label: 6.1.2 @zxx

Cosmology: Phenomenon: Dark Matter
type: Concept
alternative label: 6.2.3 Dark Matter
broader: Cosmology
hidden label: 6.2.3 @zxx

Cosmology: Phenomenon: Gamma Ray Burst
type: Concept
alternative label: 6.2.2 Gamma Ray Burst
broader: Cosmology
hidden label: 6.2.2 @zxx

Cosmology: Phenomenon: Lensing
type: Concept
alternative label: 6.2.1 Lensing
broader: Cosmology
hidden label: 6.2.1 @zxx

Galaxy
type: Concept
alternative label: 5 Galaxy
hidden label: 5 @zxx
narrower: Galaxy: Activity: AGN
narrower: Galaxy: Activity: Normal
narrower: Galaxy: Activity: Starburst
narrower: Galaxy: Activity: Ultraluminous
narrower: Galaxy: Component: Bar
narrower: Galaxy: Component: Bulge
narrower: Galaxy: Component: Central Black Hole
narrower: Galaxy: Component: Disk
narrower: Galaxy: Component: Dust Lane
narrower: Galaxy: Component: Halo
narrower: Galaxy: Component: Ring
narrower: Galaxy: Component: Spiral Arm
narrower: Galaxy: Grouping: Cluster
narrower: Galaxy: Grouping: Multiple
narrower: Galaxy: Grouping: Pair
narrower: Galaxy: Grouping: Supercluster
narrower: Galaxy: Size: Dwarf
narrower: Galaxy: Size: Giant
narrower: Galaxy: Type: Barred
narrower: Galaxy: Type: Elliptical
narrower: Galaxy: Type: Gravitationally Lensed
narrower: Galaxy: Type: Interacting
narrower: Galaxy: Type: Irregular
narrower: Galaxy: Type: Lenticular
narrower: Galaxy: Type: Ring
narrower: Galaxy: Type: Spiral

Galaxy: Activity: AGN
type: Concept
alternative label: 5.3.2 AGN
broader: Galaxy
hidden label: 5.3.2 @zxx
narrower: Galaxy: Activity: AGN: Blazar
narrower: Galaxy: Activity: AGN: Liner
narrower: Galaxy: Activity: AGN: Quasar
narrower: Galaxy: Activity: AGN: Seyfert

Galaxy: Activity: AGN: Blazar
type: Concept
alternative label: 5.3.2.3 Blazar
broader: Galaxy: Activity: AGN
hidden label: 5.3.2.3 @zxx

Galaxy: Activity: AGN: Liner
type: Concept
alternative label: 5.3.2.4 Liner
broader: Galaxy: Activity: AGN
hidden label: 5.3.2.4 @zxx

Galaxy: Activity: AGN: Quasar
type: Concept
alternative label: 5.3.2.1 Quasar
broader: Galaxy: Activity: AGN
hidden label: 5.3.2.1 @zxx

Galaxy: Activity: AGN: Seyfert
type: Concept
alternative label: 5.3.2.2 Seyfert
broader: Galaxy: Activity: AGN
hidden label: 5.3.2.2 @zxx

Galaxy: Activity: Normal
type: Concept
alternative label: 5.3.1 Normal
broader: Galaxy
hidden label: 5.3.1 @zxx

Galaxy: Activity: Starburst
type: Concept
alternative label: 5.3.3 Starburst
broader: Galaxy
hidden label: 5.3.3 @zxx

Galaxy: Activity: Ultraluminous
type: Concept
alternative label: 5.3.4 Ultraluminous
broader: Galaxy
hidden label: 5.3.4 @zxx

Galaxy: Component: Bar
type: Concept
alternative label: 5.4.2 Bar
broader: Galaxy
hidden label: 5.4.2 @zxx

Galaxy: Component: Bulge
type: Concept
alternative label: 5.4.1 Bulge
broader: Galaxy
hidden label: 5.4.1 @zxx

Galaxy: Component: Central Black Hole
type: Concept
alternative label: 5.4.6 Central Black Hole
broader: Galaxy
hidden label: 5.4.6 @zxx

Galaxy: Component: Disk
type: Concept
alternative label: 5.4.3 Disk
broader: Galaxy
hidden label: 5.4.3 @zxx

Galaxy: Component: Dust Lane
type: Concept
alternative label: 5.4.8 Dust Lane
broader: Galaxy
hidden label: 5.4.8 @zxx

Galaxy: Component: Halo
type: Concept
alternative label: 5.4.4 Halo
broader: Galaxy
hidden label: 5.4.4 @zxx

Galaxy: Component: Ring
type: Concept
alternative label: 5.4.5 Ring
broader: Galaxy
hidden label: 5.4.5 @zxx

Galaxy: Component: Spiral Arm
type: Concept
alternative label: 5.4.7 Spiral Arm
broader: Galaxy
hidden label: 5.4.7 @zxx

Galaxy: Grouping: Cluster
type: Concept
alternative label: 5.5.3 Cluster
broader: Galaxy
hidden label: 5.5.3 @zxx

Galaxy: Grouping: Multiple
type: Concept
alternative label: 5.5.2 Multiple
broader: Galaxy
hidden label: 5.5.2 @zxx

Galaxy: Grouping: Pair
type: Concept
alternative label: 5.5.1 Pair
broader: Galaxy
hidden label: 5.5.1 @zxx

Galaxy: Grouping: Supercluster
type: Concept
alternative label: 5.5.4 Supercluster
broader: Galaxy
hidden label: 5.5.4 @zxx

Galaxy: Size: Dwarf
type: Concept
alternative label: 5.2.2 Dwarf
broader: Galaxy
hidden label: 5.2.2 @zxx

Galaxy: Size: Giant
type: Concept
alternative label: 5.2.1 Giant
broader: Galaxy
hidden label: 5.2.1 @zxx

Galaxy: Type: Barred
type: Concept
alternative label: 5.1.2 Barred
broader: Galaxy
hidden label: 5.1.2 @zxx

Galaxy: Type: Elliptical
type: Concept
alternative label: 5.1.4 Elliptical
broader: Galaxy
hidden label: 5.1.4 @zxx

Galaxy: Type: Gravitationally Lensed
type: Concept
alternative label: 5.1.8 Gravitationally Lensed
broader: Galaxy
hidden label: 5.1.8 @zxx

Galaxy: Type: Interacting
type: Concept
alternative label: 5.1.7 Interacting
broader: Galaxy
hidden label: 5.1.7 @zxx

Galaxy: Type: Irregular
type: Concept
alternative label: 5.1.6 Irregular
broader: Galaxy
hidden label: 5.1.6 @zxx

Galaxy: Type: Lenticular
type: Concept
alternative label: 5.1.3 Lenticular
broader: Galaxy
hidden label: 5.1.3 @zxx

Galaxy: Type: Ring
type: Concept
alternative label: 5.1.5 Ring
broader: Galaxy
hidden label: 5.1.5 @zxx

Galaxy: Type: Spiral
type: Concept
alternative label: 5.1.1 Spiral
broader: Galaxy
hidden label: 5.1.1 @zxx

Interplanetary Body
type: Concept
alternative label: 2 Interplanetary Body
hidden label: 2 @zxx
narrower: Interplanetary Body: Asteroid
narrower: Interplanetary Body: Comet
narrower: Interplanetary Body: Dwarf planet
narrower: Interplanetary Body: Meteoroid

Interplanetary Body: Asteroid
type: Concept
alternative label: 2.3 Asteroid
broader: Interplanetary Body
hidden label: 2.3 @zxx

Interplanetary Body: Comet
type: Concept
alternative label: 2.2 Comet
broader: Interplanetary Body
hidden label: 2.2 @zxx
narrower: Interplanetary Body: Comet: Coma
narrower: Interplanetary Body: Comet: Nucleus
narrower: Interplanetary Body: Comet: Tail

Interplanetary Body: Comet: Coma
type: Concept
alternative label: 2.2.2 Coma
broader: Interplanetary Body: Comet
hidden label: 2.2.2 @zxx

Interplanetary Body: Comet: Nucleus
type: Concept
alternative label: 2.2.1 Nucleus
broader: Interplanetary Body: Comet
hidden label: 2.2.1 @zxx

Interplanetary Body: Comet: Tail
type: Concept
alternative label: 2.2.3 Tail
broader: Interplanetary Body: Comet
hidden label: 2.2.3 @zxx
narrower: Interplanetary Body: Comet: Tail: Dust
narrower: Interplanetary Body: Comet: Tail: Gas

Interplanetary Body: Comet: Tail: Dust
type: Concept
alternative label: 2.2.3.1 Dust
broader: Interplanetary Body: Comet: Tail
hidden label: 2.2.3.1 @zxx

Interplanetary Body: Comet: Tail: Gas
type: Concept
alternative label: 2.2.3.2 Gas
broader: Interplanetary Body: Comet: Tail
hidden label: 2.2.3.2 @zxx

Interplanetary Body: Dwarf planet
type: Concept
alternative label: 2.1 Dwarf planet
broader: Interplanetary Body
hidden label: 2.1 @zxx

Interplanetary Body: Meteoroid
type: Concept
alternative label: 2.4 Meteoroid
broader: Interplanetary Body
hidden label: 2.4 @zxx

Nebula
type: Concept
alternative label: 4 Nebula
hidden label: 4 @zxx
narrower: Nebula: Appearance: Dark
narrower: Nebula: Appearance: Emission
narrower: Nebula: Appearance: Reflection
narrower: Nebula: Interstellar Medium
narrower: Nebula: Jet
narrower: Nebula: Planetary
narrower: Nebula: Star Formation
narrower: Nebula: Supernova Remnant

Nebula: Appearance: Dark
type: Concept
alternative label: 4.2.3 Dark
broader: Nebula
hidden label: 4.2.3 @zxx
narrower: Nebula: Appearance: Dark: Bok Globule
narrower: Nebula: Appearance: Dark: Molecular Cloud
narrower: Nebula: Appearance: Dark: Proplyd

Nebula: Appearance: Dark: Bok Globule
type: Concept
alternative label: 4.2.3.2 Bok Globule
broader: Nebula: Appearance: Dark
hidden label: 4.2.3.2 @zxx

Nebula: Appearance: Dark: Molecular Cloud
type: Concept
alternative label: 4.2.3.1 Molecular Cloud
broader: Nebula: Appearance: Dark
hidden label: 4.2.3.1 @zxx

Nebula: Appearance: Dark: Proplyd
type: Concept
alternative label: 4.2.3.3 Proplyd
broader: Nebula: Appearance: Dark
hidden label: 4.2.3.3 @zxx

Nebula: Appearance: Emission
type: Concept
alternative label: 4.2.1 Emission
broader: Nebula
hidden label: 4.2.1 @zxx
narrower: Nebula: Appearance: Emission: H II Region

Nebula: Appearance: Emission: H II Region
type: Concept
alternative label: 4.2.1.1 H II Region
broader: Nebula: Appearance: Emission
hidden label: 4.2.1.1 @zxx

Nebula: Appearance: Reflection
type: Concept
alternative label: 4.2.2 Reflection
broader: Nebula
hidden label: 4.2.2 @zxx
narrower: Nebula: Appearance: Reflection: Light Echo

Nebula: Appearance: Reflection: Light Echo
type: Concept
alternative label: 4.2.2.1 Light Echo
broader: Nebula: Appearance: Reflection
hidden label: 4.2.2.1 @zxx

Nebula: Interstellar Medium
type: Concept
alternative label: 4.1.1 Interstellar Medium
broader: Nebula
hidden label: 4.1.1 @zxx

Nebula: Jet
type: Concept
alternative label: 4.1.5 Jet
broader: Nebula
hidden label: 4.1.5 @zxx

Nebula: Planetary
type: Concept
alternative label: 4.1.3 Planetary
broader: Nebula
hidden label: 4.1.3 @zxx

Nebula: Star Formation
type: Concept
alternative label: 4.1.2 Star Formation
broader: Nebula
hidden label: 4.1.2 @zxx

Nebula: Supernova Remnant
type: Concept
alternative label: 4.1.4 Supernova Remnant
broader: Nebula
hidden label: 4.1.4 @zxx

Planet
type: Concept
alternative label: 1 Planet
hidden label: 1 @zxx
narrower: Planet: Feature: Atmosphere
narrower: Planet: Feature: Surface
narrower: Planet: Ring
narrower: Planet: Satellite
narrower: Planet: Special Cases: Hot Jupiter
narrower: Planet: Special Cases: Pulsar planet
narrower: Planet: Special Cases: Transiting
narrower: Planet: Type: Gas Giant
narrower: Planet: Type: Terrestrial

Planet: Feature: Atmosphere
type: Concept
alternative label: 1.2.2 Atmosphere
broader: Planet
hidden label: 1.2.2 @zxx
narrower: Planet: Feature: Atmosphere: Aurora
narrower: Planet: Feature: Atmosphere: Belt
narrower: Planet: Feature: Atmosphere: Cloud
narrower: Planet: Feature: Atmosphere: Storm

Planet: Feature: Atmosphere: Aurora
type: Concept
alternative label: 1.2.2.4 Aurora
broader: Planet: Feature: Atmosphere
hidden label: 1.2.2.4 @zxx

Planet: Feature: Atmosphere: Belt
type: Concept
alternative label: 1.2.2.3 Belt
broader: Planet: Feature: Atmosphere
hidden label: 1.2.2.3 @zxx

Planet: Feature: Atmosphere: Cloud
type: Concept
alternative label: 1.2.2.1 Cloud
broader: Planet: Feature: Atmosphere
hidden label: 1.2.2.1 @zxx

Planet: Feature: Atmosphere: Storm
type: Concept
alternative label: 1.2.2.2Storm
broader: Planet: Feature: Atmosphere
hidden label: 1.2.2.2 @zxx

Planet: Feature: Surface
type: Concept
alternative label: 1.2.1 Surface
broader: Planet
hidden label: 1.2.1 @zxx
narrower: Planet: Feature: Surface: Canyon
narrower: Planet: Feature: Surface: Erosion
narrower: Planet: Feature: Surface: Ice
narrower: Planet: Feature: Surface: Impact
narrower: Planet: Feature: Surface: Liquid
narrower: Planet: Feature: Surface: Mountain
narrower: Planet: Feature: Surface: Volcanic

Planet: Feature: Surface: Canyon
type: Concept
alternative label: 1.2.1.2 Canyon
broader: Planet: Feature: Surface
hidden label: 1.2.1.2 @zxx

Planet: Feature: Surface: Erosion
type: Concept
alternative label: 1.2.1.5 Erosion
broader: Planet: Feature: Surface
hidden label: 1.2.1.5 @zxx

Planet: Feature: Surface: Ice
type: Concept
alternative label: 1.2.1.7 Ice
broader: Planet: Feature: Surface
hidden label: 1.2.1.7 @zxx

Planet: Feature: Surface: Impact
type: Concept
alternative label: 1.2.1.4 Impact
broader: Planet: Feature: Surface
hidden label: 1.2.1.4 @zxx

Planet: Feature: Surface: Liquid
type: Concept
alternative label: 1.2.1.6 Liquid
broader: Planet: Feature: Surface
hidden label: 1.2.1.6 @zxx

Planet: Feature: Surface: Mountain
type: Concept
alternative label: 1.2.1.1 Mountain
broader: Planet: Feature: Surface
hidden label: 1.2.1.1 @zxx

Planet: Feature: Surface: Volcanic
type: Concept
alternative label: 1.2.1.3 Volcanic
broader: Planet: Feature: Surface
hidden label: 1.2.1.3 @zxx

Planet: Ring
type: Concept
alternative label: 1.5 Ring
broader: Planet
hidden label: 1.5 @zxx

Planet: Satellite
type: Concept
alternative label: 1.4 Satellite
broader: Planet
hidden label: 1.4 @zxx
narrower: Planet: Satellite: Feature: Atmosphere
narrower: Planet: Satellite: Feature: Surface

Planet: Satellite: Feature: Atmosphere
type: Concept
alternative label: 1.4.1.2 Atmosphere
broader: Planet: Satellite
hidden label: 1.4.1.2 @zxx

Planet: Satellite: Feature: Surface
type: Concept
alternative label: 1.4.1.1 Surface
broader: Planet: Satellite
hidden label: 1.4.1.1 @zxx
narrower: Planet: Satellite: Feature : Surface: Canyon
narrower: Planet: Satellite: Feature : Surface: Erosion
narrower: Planet: Satellite: Feature : Surface: Ice
narrower: Planet: Satellite: Feature : Surface: Impact
narrower: Planet: Satellite: Feature : Surface: Liquid
narrower: Planet: Satellite: Feature : Surface: Mountain
narrower: Planet: Satellite: Feature : Surface: Volcanic

Planet: Satellite: Feature : Surface: Canyon
type: Concept
alternative label: 1.4.1.1.2 Canyon
broader: Planet: Satellite: Feature: Surface
hidden label: 1.4.1.1.2 @zxx

Planet: Satellite: Feature : Surface: Erosion
type: Concept
alternative label: 1.4.1.1.5 Erosion
broader: Planet: Satellite: Feature: Surface
hidden label: 1.4.1.1.5 @zxx

Planet: Satellite: Feature : Surface: Ice
type: Concept
alternative label: 1.4.1.1.7 Ice
broader: Planet: Satellite: Feature: Surface
hidden label: 1.4.1.1.7 @zxx

Planet: Satellite: Feature : Surface: Impact
type: Concept
alternative label: 1.4.1.1.4 Impact
broader: Planet: Satellite: Feature: Surface
hidden label: 1.4.1.1.4 @zxx

Planet: Satellite: Feature : Surface: Liquid
type: Concept
alternative label: 1.4.1.1.6 Liquid
broader: Planet: Satellite: Feature: Surface
hidden label: 1.4.1.1.6 @zxx

Planet: Satellite: Feature : Surface: Mountain
type: Concept
alternative label: 1.4.1.1.1 Mountain
broader: Planet: Satellite: Feature: Surface
hidden label: 1.4.1.1.1 @zxx

Planet: Satellite: Feature : Surface: Volcanic
type: Concept
alternative label: 1.4.1.1.3 Volcanic
broader: Planet: Satellite: Feature: Surface
hidden label: 1.4.1.1.3 @zxx

Planet: Special Cases: Hot Jupiter
type: Concept
alternative label: 1.3.2 Hot Jupiter
broader: Planet
hidden label: 1.3.2 @zxx

Planet: Special Cases: Pulsar planet
type: Concept
alternative label: 1.3.3 Pulsar planet
broader: Planet
hidden label: 1.3.3 @zxx

Planet: Special Cases: Transiting
type: Concept
alternative label: 1.3.1 Transiting
broader: Planet
hidden label: 1.3.1 @zxx

Planet: Type: Gas Giant
type: Concept
alternative label: 1.1.2 Gas Giant
broader: Planet
hidden label: 1.1.2 @zxx

Planet: Type: Terrestrial
type: Concept
alternative label: 1.1.1 Terrestrial
broader: Planet
hidden label: 1.1.1 @zxx

Sky Phenomenon
type: Concept
alternative label: 7 Sky Phenomenon
hidden label: 7 @zxx
narrower: Sky Phenomenon: Eclipse
narrower: Sky Phenomenon: Light Phenomenon
narrower: Sky Phenomenon: Night Sky

Sky Phenomenon: Eclipse
type: Concept
alternative label: 7.2 Eclipse
broader: Sky Phenomenon
hidden label: 7.2 @zxx
narrower: Sky Phenomenon: Eclipse: Lunar
narrower: Sky Phenomenon: Eclipse: Occultation
narrower: Sky Phenomenon: Eclipse: Solar
narrower: Sky Phenomenon: Eclipse: Transit

Sky Phenomenon: Eclipse: Lunar
type: Concept
alternative label: 7.2.2 Lunar
broader: Sky Phenomenon: Eclipse
hidden label: 7.2.2 @zxx
narrower: Sky Phenomenon: Eclipse: Lunar: Partial
narrower: Sky Phenomenon: Eclipse: Lunar: Penumbral
narrower: Sky Phenomenon: Eclipse: Lunar: Total

Sky Phenomenon: Eclipse: Lunar: Partial
type: Concept
alternative label: 7.2.2.2 Partial
broader: Sky Phenomenon: Eclipse: Lunar
hidden label: 7.2.2.2 @zxx

Sky Phenomenon: Eclipse: Lunar: Penumbral
type: Concept
alternative label: 7.2.2.3 Penumbral
broader: Sky Phenomenon: Eclipse: Lunar
hidden label: 7.2.2.3 @zxx

Sky Phenomenon: Eclipse: Lunar: Total
type: Concept
alternative label: 7.2.2.1 Total
broader: Sky Phenomenon: Eclipse: Lunar
hidden label: 7.2.2.1 @zxx

Sky Phenomenon: Eclipse: Occultation
type: Concept
alternative label: 7.2.3 Occultation
broader: Sky Phenomenon: Eclipse
hidden label: 7.2.3 @zxx

Sky Phenomenon: Eclipse: Solar
type: Concept
alternative label: 7.2.1 Solar
broader: Sky Phenomenon: Eclipse
hidden label: 7.2.1 @zxx
narrower: Sky Phenomenon: Eclipse: Solar: Annular
narrower: Sky Phenomenon: Eclipse: Solar: Partial
narrower: Sky Phenomenon: Eclipse: Solar: Total

Sky Phenomenon: Eclipse: Solar: Annular
type: Concept
alternative label: 7.2.1.3 Annular
broader: Sky Phenomenon: Eclipse: Solar
hidden label: 7.2.1.3 @zxx

Sky Phenomenon: Eclipse: Solar: Partial
type: Concept
alternative label: 7.2.1.2 Partial
broader: Sky Phenomenon: Eclipse: Solar
hidden label: 7.2.1.2 @zxx

Sky Phenomenon: Eclipse: Solar: Total
type: Concept
alternative label: 7.2.1.1 Total
broader: Sky Phenomenon: Eclipse: Solar
hidden label: 7.2.1.1 @zxx

Sky Phenomenon: Eclipse: Transit
type: Concept
alternative label: 7.2.4 Transit
broader: Sky Phenomenon: Eclipse
hidden label: 7.2.4 @zxx

Sky Phenomenon: Light Phenomenon
type: Concept
alternative label: 7.3 Light Phenomenon
broader: Sky Phenomenon
hidden label: 7.3 @zxx
narrower: Sky Phenomenon: Light Phenomenon: Aurora
narrower: Sky Phenomenon: Light Phenomenon: Cloud
narrower: Sky Phenomenon: Light Phenomenon: Halo
narrower: Sky Phenomenon: Light Phenomenon: Lightning
narrower: Sky Phenomenon: Light Phenomenon: Rainbow
narrower: Sky Phenomenon: Light Phenomenon: Ray-Shadow
narrower: Sky Phenomenon: Light Phenomenon: Sunrise-Sunset

Sky Phenomenon: Light Phenomenon: Aurora
type: Concept
alternative label: 7.3.7 Aurora
broader: Sky Phenomenon: Light Phenomenon
hidden label: 7.3.7 @zxx

Sky Phenomenon: Light Phenomenon: Cloud
type: Concept
alternative label: 7.3.2 Cloud
broader: Sky Phenomenon: Light Phenomenon
hidden label: 7.3.2 @zxx
narrower: Sky Phenomenon: Light Phenomenon: Cloud: Corona
narrower: Sky Phenomenon: Light Phenomenon: Cloud: Glory
narrower: Sky Phenomenon: Light Phenomenon: Cloud: Iridescent
narrower: Sky Phenomenon: Light Phenomenon: Cloud: Nacreous
narrower: Sky Phenomenon: Light Phenomenon: Cloud: Noctilucent

Sky Phenomenon: Light Phenomenon: Cloud: Corona
type: Concept
alternative label: 7.3.2.4 Corona
broader: Sky Phenomenon: Light Phenomenon: Cloud
hidden label: 7.3.2.4 @zxx

Sky Phenomenon: Light Phenomenon: Cloud: Glory
type: Concept
alternative label: 7.3.2.5 Glory
broader: Sky Phenomenon: Light Phenomenon: Cloud
hidden label: 7.3.2.5 @zxx

Sky Phenomenon: Light Phenomenon: Cloud: Iridescent
type: Concept
alternative label: 7.3.2.1 Iridescent
broader: Sky Phenomenon: Light Phenomenon: Cloud
hidden label: 7.3.2.1 @zxx

Sky Phenomenon: Light Phenomenon: Cloud: Nacreous
type: Concept
alternative label: 7.3.2.3 Nacreous
broader: Sky Phenomenon: Light Phenomenon: Cloud
hidden label: 7.3.2.3 @zxx

Sky Phenomenon: Light Phenomenon: Cloud: Noctilucent
type: Concept
alternative label: 7.3.2.2 Noctilucent
broader: Sky Phenomenon: Light Phenomenon: Cloud
hidden label: 7.3.2.2 @zxx

Sky Phenomenon: Light Phenomenon: Halo
type: Concept
alternative label: 7.3.4 Halo
broader: Sky Phenomenon: Light Phenomenon
hidden label: 7.3.4 @zxx
narrower: Sky Phenomenon: Light Phenomenon: Halo: Arc
narrower: Sky Phenomenon: Light Phenomenon: Halo: Circle
narrower: Sky Phenomenon: Light Phenomenon: Halo: Parhelia

Sky Phenomenon: Light Phenomenon: Halo: Arc
type: Concept
alternative label: 7.3.4.3 Arc
broader: Sky Phenomenon: Light Phenomenon: Halo
hidden label: 7.3.4.3 @zxx

Sky Phenomenon: Light Phenomenon: Halo: Circle
type: Concept
alternative label: 7.3.4.1 Circle
broader: Sky Phenomenon: Light Phenomenon: Halo
hidden label: 7.3.4.1 @zxx

Sky Phenomenon: Light Phenomenon: Halo: Parhelia
type: Concept
alternative label: 7.3.4.2 Parhelia
broader: Sky Phenomenon: Light Phenomenon: Halo
hidden label: 7.3.4.2 @zxx

Sky Phenomenon: Light Phenomenon: Lightning
type: Concept
alternative label: 7.3.6 Lightning
broader: Sky Phenomenon: Light Phenomenon
hidden label: 7.3.6 @zxx

Sky Phenomenon: Light Phenomenon: Rainbow
type: Concept
alternative label: 7.3.3 Rainbow
broader: Sky Phenomenon: Light Phenomenon
hidden label: 7.3.3 @zxx
narrower: Sky Phenomenon: Light Phenomenon: Rainbow: Fogbow
narrower: Sky Phenomenon: Light Phenomenon: Rainbow: Moonbow

Sky Phenomenon: Light Phenomenon: Rainbow: Fogbow
type: Concept
alternative label: 7.3.3.2 Fogbow
broader: Sky Phenomenon: Light Phenomenon: Rainbow
hidden label: 7.3.3.2 @zxx

Sky Phenomenon: Light Phenomenon: Rainbow: Moonbow
type: Concept
alternative label: 7.3.3.1 Moonbow
broader: Sky Phenomenon: Light Phenomenon: Rainbow
hidden label: 7.3.3.1 @zxx

Sky Phenomenon: Light Phenomenon: Ray-Shadow
type: Concept
alternative label: 7.3.5 Ray-Shadow
broader: Sky Phenomenon: Light Phenomenon
hidden label: 7.3.5 @zxx
narrower: Sky Phenomenon: Light Phenomenon: Ray-Shadow: Anti-crepuscular ray
narrower: Sky Phenomenon: Light Phenomenon: Ray-Shadow: Crepuscular ray
narrower: Sky Phenomenon: Light Phenomenon: Ray-Shadow: Earth shadow

Sky Phenomenon: Light Phenomenon: Ray-Shadow: Anti-crepuscular ray
type: Concept
alternative label: 7.3.5.2 Anti-crepuscular ray
broader: Sky Phenomenon: Light Phenomenon: Ray-Shadow
hidden label: 7.3.5.2 @zxx

Sky Phenomenon: Light Phenomenon: Ray-Shadow: Crepuscular ray
type: Concept
alternative label: 7.3.5.1 Crepuscular ray
broader: Sky Phenomenon: Light Phenomenon: Ray-Shadow
hidden label: 7.3.5.1 @zxx

Sky Phenomenon: Light Phenomenon: Ray-Shadow: Earth shadow
type: Concept
alternative label: 7.3.5.3 Earth shadow
broader: Sky Phenomenon: Light Phenomenon: Ray-Shadow
hidden label: 7.3.5.3 @zxx

Sky Phenomenon: Light Phenomenon: Sunrise-Sunset
type: Concept
alternative label: 7.3.1 Sunrise-Sunset
broader: Sky Phenomenon: Light Phenomenon
hidden label: 7.3.1 @zxx
narrower: Sky Phenomenon: Light Phenomenon: Sunrise-Sunset: Green flash
narrower: Sky Phenomenon: Light Phenomenon: Sunrise-Sunset: Refractive Distortion
narrower: Sky Phenomenon: Light Phenomenon: Sunrise-Sunset: Sun Pillar

Sky Phenomenon: Light Phenomenon: Sunrise-Sunset: Green flash
type: Concept
alternative label: 7.3.1.1 Green flash
broader: Sky Phenomenon: Light Phenomenon: Sunrise-Sunset
hidden label: 7.3.1.1 @zxx

Sky Phenomenon: Light Phenomenon: Sunrise-Sunset: Refractive Distortion
type: Concept
alternative label: 7.3.1.2 Refractive Distortion
broader: Sky Phenomenon: Light Phenomenon: Sunrise-Sunset
hidden label: 7.3.1.2 @zxx

Sky Phenomenon: Light Phenomenon: Sunrise-Sunset: Sun Pillar
type: Concept
alternative label: 7.3.1.3 Sun Pillar
broader: Sky Phenomenon: Light Phenomenon: Sunrise-Sunset
hidden label: 7.3.1.3 @zxx

Sky Phenomenon: Night Sky
type: Concept
alternative label: 7.1 Night Sky
broader: Sky Phenomenon
hidden label: 7.1 @zxx
narrower: Sky Phenomenon: Night Sky: Asterism
narrower: Sky Phenomenon: Night Sky: Constellation
narrower: Sky Phenomenon: Night Sky: Milky Way
narrower: Sky Phenomenon: Night Sky: Night glow
narrower: Sky Phenomenon: Night Sky: Trail
narrower: Sky Phenomenon: Night Sky: Zodiacal Light

Sky Phenomenon: Night Sky: Asterism
type: Concept
alternative label: 7.1.2 Asterism
broader: Sky Phenomenon: Night Sky
hidden label: 7.1.2 @zxx

Sky Phenomenon: Night Sky: Constellation
type: Concept
alternative label: 7.1.1 Constellation
broader: Sky Phenomenon: Night Sky
hidden label: 7.1.1 @zxx

Sky Phenomenon: Night Sky: Milky Way
type: Concept
alternative label: 7.1.3 Milky Way
broader: Sky Phenomenon: Night Sky
hidden label: 7.1.3 @zxx

Sky Phenomenon: Night Sky: Night glow
type: Concept
alternative label: 7.1.6 Night glow
broader: Sky Phenomenon: Night Sky
hidden label: 7.1.6 @zxx

Sky Phenomenon: Night Sky: Trail
type: Concept
alternative label: 7.1.4 Trail
broader: Sky Phenomenon: Night Sky
hidden label: 7.1.4 @zxx
narrower: Sky Phenomenon: Night Sky: Trail: Meteor
narrower: Sky Phenomenon: Night Sky: Trail: Satellite
narrower: Sky Phenomenon: Night Sky: Trail: Star

Sky Phenomenon: Night Sky: Trail: Meteor
type: Concept
alternative label: 7.1.4.1 Meteor
broader: Sky Phenomenon: Night Sky: Trail
hidden label: 7.1.4.1 @zxx

Sky Phenomenon: Night Sky: Trail: Satellite
type: Concept
alternative label: 7.1.4.3 Satellite
broader: Sky Phenomenon: Night Sky: Trail
hidden label: 7.1.4.3 @zxx

Sky Phenomenon: Night Sky: Trail: Star
type: Concept
alternative label: 7.1.4.2 Star
broader: Sky Phenomenon: Night Sky: Trail
hidden label: 7.1.4.2 @zxx

Sky Phenomenon: Night Sky: Zodiacal Light
type: Concept
alternative label: 7.1.5 Zodiacal Light
broader: Sky Phenomenon: Night Sky
hidden label: 7.1.5 @zxx
narrower: Sky Phenomenon: Night Sky: Zodiacal Light: Gegenschein

Sky Phenomenon: Night Sky: Zodiacal Light: Gegenschein
type: Concept
alternative label: 7.1.5.1 Gegenschein
broader: Sky Phenomenon: Night Sky: Zodiacal Light
hidden label: 7.1.5.1 @zxx

Star
type: Concept
alternative label: 3 Star
hidden label: 3 @zxx
narrower: Star: Circumstellar Material
narrower: Star: Evolutionary Stage: Black Hole
narrower: Star: Evolutionary Stage: Blue Supergiant
narrower: Star: Evolutionary Stage: Main Sequence
narrower: Star: Evolutionary Stage: Neutron Star
narrower: Star: Evolutionary Stage: Protostar
narrower: Star: Evolutionary Stage: Red Giant
narrower: Star: Evolutionary Stage: Red Supergiant
narrower: Star: Evolutionary Stage: Supernova
narrower: Star: Evolutionary Stage: White Dwarf
narrower: Star: Evolutionary Stage: Young Stellar Object
narrower: Star: Feature: Chromosphere
narrower: Star: Feature: Corona
narrower: Star: Feature: Photosphere
narrower: Star: Grouping: Binary
narrower: Star: Grouping: Cluster
narrower: Star: Grouping: Multiple
narrower: Star: Grouping: Triple
narrower: Star: Population: I
narrower: Star: Population: II
narrower: Star: Population: III
narrower: Star: Spectral type: A
narrower: Star: Spectral type: B
narrower: Star: Spectral type: O
narrower: Star: Type: Blue Straggler
narrower: Star: Type: Brown Dwarf
narrower: Star: Type: Carbon
narrower: Star: Type: Exotic
narrower: Star: Type: Variable
narrower: Star: Type: Wolf-Rayet
narrower: Star:Spectral type: F
narrower: Star:Spectral type: G
narrower: Star:Spectral type: K
narrower: Star:Spectral type: L
narrower: Star:Spectral type: M
narrower: Star:Spectral type: T

Star: Circumstellar Material
type: Concept
alternative label: 3.7 Circumstellar Material
broader: Star
hidden label: 3.7 @zxx
narrower: Star: Circumstellar Material: Disk
narrower: Star: Circumstellar Material: Outflow
narrower: Star: Circumstellar Material: Planetary System

Star: Circumstellar Material: Disk
type: Concept
alternative label: 3.7.2 Disk
broader: Star: Circumstellar Material
hidden label: 3.7.2 @zxx
narrower: Star: Circumstellar Material: Disk: Accretion
narrower: Star: Circumstellar Material: Disk: Debris
narrower: Star: Circumstellar Material: Disk: Protoplanetary

Star: Circumstellar Material: Disk: Accretion
type: Concept
alternative label: 3.7.2.2 Accretion
broader: Star: Circumstellar Material: Disk
hidden label: 3.7.2.2 @zxx

Star: Circumstellar Material: Disk: Debris
type: Concept
alternative label: 3.7.2.3 Debris
broader: Star: Circumstellar Material: Disk
hidden label: 3.7.2.3 @zxx

Star: Circumstellar Material: Disk: Protoplanetary
type: Concept
alternative label: 3.7.2.1 Protoplanetary
broader: Star: Circumstellar Material: Disk
hidden label: 3.7.2.1 @zxx

Star: Circumstellar Material: Outflow
type: Concept
alternative label: 3.7.3 Outflow
broader: Star: Circumstellar Material
hidden label: 3.7.3 @zxx
narrower: Star: Circumstellar Material: Outflow: Coronal Mass Ejection
narrower: Star: Circumstellar Material: Outflow: Solar Wind

Star: Circumstellar Material: Outflow: Coronal Mass Ejection
type: Concept
alternative label: 3.7.3.2 Coronal Mass Ejection
broader: Star: Circumstellar Material: Outflow
hidden label: 3.7.3.2 @zxx

Star: Circumstellar Material: Outflow: Solar Wind
type: Concept
alternative label: 3.7.3.1 Solar Wind
broader: Star: Circumstellar Material: Outflow
hidden label: 3.7.3.1 @zxx

Star: Circumstellar Material: Planetary System
type: Concept
alternative label: 3.7.1 Planetary System
broader: Star: Circumstellar Material
hidden label: 3.7.1 @zxx

Star: Evolutionary Stage: Black Hole
type: Concept
alternative label: 3.1.10 Black Hole
broader: Star
hidden label: 3.1.10 @zxx

Star: Evolutionary Stage: Blue Supergiant
type: Concept
alternative label: 3.1.6 Blue Supergiant
broader: Star
hidden label: 3.1.6 @zxx

Star: Evolutionary Stage: Main Sequence
type: Concept
alternative label: 3.1.3 Main Sequence
broader: Star
hidden label: 3.1.3 @zxx

Star: Evolutionary Stage: Neutron Star
type: Concept
alternative label: 3.1.9 Neutron Star
broader: Star
hidden label: 3.1.9 @zxx
narrower: Star: Evolutionary Stage: Neutron Star: Magnetar
narrower: Star: Evolutionary Stage: Neutron Star: Pulsar

Star: Evolutionary Stage: Neutron Star: Magnetar
type: Concept
alternative label: 3.1.9.2 Magnetar
broader: Star: Evolutionary Stage: Neutron Star
hidden label: 3.1.9.2 @zxx

Star: Evolutionary Stage: Neutron Star: Pulsar
type: Concept
alternative label: 3.1.9.1 Pulsar
broader: Star: Evolutionary Stage: Neutron Star
hidden label: 3.1.9.1 @zxx

Star: Evolutionary Stage: Protostar
type: Concept
alternative label: 3.1.1 Protostar
broader: Star
hidden label: 3.1.1 @zxx

Star: Evolutionary Stage: Red Giant
type: Concept
alternative label: 3.1.4 Red Giant
broader: Star
hidden label: 3.1.4 @zxx

Star: Evolutionary Stage: Red Supergiant
type: Concept
alternative label: 3.1.5 Red Supergiant
broader: Star
hidden label: 3.1.5 @zxx

Star: Evolutionary Stage: Supernova
type: Concept
alternative label: 3.1.8 Supernova
broader: Star
hidden label: 3.1.8 @zxx

Star: Evolutionary Stage: White Dwarf
type: Concept
alternative label: 3.1.7 White Dwarf
broader: Star
hidden label: 3.1.7 @zxx

Star: Evolutionary Stage: Young Stellar Object
type: Concept
alternative label: 3.1.2 Young Stellar Object
broader: Star
hidden label: 3.1.2 @zxx

Star: Feature: Chromosphere
type: Concept
alternative label: 3.5.2 Chromosphere
broader: Star
hidden label: 3.5.2 @zxx
narrower: Star: Feature: Chromosphere: Facula
narrower: Star: Feature: Chromosphere: Flare

Star: Feature: Chromosphere: Facula
type: Concept
alternative label: 3.5.2.2 Facula
broader: Star: Feature: Chromosphere
hidden label: 3.5.2.2 @zxx

Star: Feature: Chromosphere: Flare
type: Concept
alternative label: 3.5.2.1 Flare
broader: Star: Feature: Chromosphere
hidden label: 3.5.2.1 @zxx

Star: Feature: Corona
type: Concept
alternative label: 3.5.3 Corona
broader: Star
hidden label: 3.5.3 @zxx
narrower: Star: Feature: Corona: Prominence

Star: Feature: Corona: Prominence
type: Concept
alternative label: 3.5.3.1 Prominence
broader: Star: Feature: Corona
hidden label: 3.5.3.1 @zxx

Star: Feature: Photosphere
type: Concept
alternative label: 3.5.1 Photosphere
broader: Star
hidden label: 3.5.1 @zxx
narrower: Star: Feature: Photosphere: Granulation
narrower: Star: Feature: Photosphere: Sunspot

Star: Feature: Photosphere: Granulation
type: Concept
alternative label: 3.5.1.1 Granulation
broader: Star: Feature: Photosphere
hidden label: 3.5.1.1 @zxx

Star: Feature: Photosphere: Sunspot
type: Concept
alternative label: 3.5.1.2 Sunspot
broader: Star: Feature: Photosphere
hidden label: 3.5.1.2 @zxx

Star: Grouping: Binary
type: Concept
alternative label: 3.6.1 Binary
broader: Star
hidden label: 3.6.1 @zxx

Star: Grouping: Cluster
type: Concept
alternative label: 3.6.4 Cluster
broader: Star
hidden label: 3.6.4 @zxx
narrower: Star: Grouping: Cluster: Globular
narrower: Star: Grouping: Cluster: Open

Star: Grouping: Cluster: Globular
type: Concept
alternative label: 3.6.4.2 Globular
broader: Star: Grouping: Cluster
hidden label: 3.6.4.2 @zxx

Star: Grouping: Cluster: Open
type: Concept
alternative label: 3.6.4.1 Open
broader: Star: Grouping: Cluster
hidden label: 3.6.4.1 @zxx

Star: Grouping: Multiple
type: Concept
alternative label: 3.6.3 Multiple
broader: Star
hidden label: 3.6.3 @zxx

Star: Grouping: Triple
type: Concept
alternative label: 3.6.2 Triple
broader: Star
hidden label: 3.6.2 @zxx

Star: Population: I
type: Concept
alternative label: 3.4.1 I
broader: Star
hidden label: 3.4.1 @zxx

Star: Population: II
type: Concept
alternative label: 3.4.2 II
broader: Star
hidden label: 3.4.2 @zxx

Star: Population: III
type: Concept
alternative label: 3.4.3 III
broader: Star
hidden label: 3.4.3 @zxx

Star: Spectral type: A
type: Concept
alternative label: 3.3.3 A
broader: Star
hidden label: 3.3.3 @zxx

Star: Spectral type: B
type: Concept
alternative label: 3.3.2 B
broader: Star
hidden label: 3.3.2 @zxx

Star: Spectral type: O
type: Concept
alternative label: 3.3.1 O
broader: Star
hidden label: 3.3.1 @zxx

Star: Type: Blue Straggler
type: Concept
alternative label: 3.2.5 Blue Straggler
broader: Star
hidden label: 3.2.5 @zxx

Star: Type: Brown Dwarf
type: Concept
alternative label: 3.2.3 Brown Dwarf
broader: Star
hidden label: 3.2.3 @zxx

Star: Type: Carbon
type: Concept
alternative label: 3.2.2 Carbon
broader: Star
hidden label: 3.2.2 @zxx

Star: Type: Exotic
type: Concept
alternative label: 3.2.6 Exotic
broader: Star
hidden label: 3.2.6 @zxx

Star: Type: Variable
type: Concept
alternative label: 3.2.1 Variable
broader: Star
hidden label: 3.2.1 @zxx
narrower: Star: Type: Variable: Eclipsing
narrower: Star: Type: Variable: Flare Star
narrower: Star: Type: Variable: Irregular
narrower: Star: Type: Variable: Nova
narrower: Star: Type: Variable: Pulsating

Star: Type: Variable: Eclipsing
type: Concept
alternative label: 3.2.1.3 Eclipsing
broader: Star: Type: Variable
hidden label: 3.2.1.3 @zxx

Star: Type: Variable: Flare Star
type: Concept
alternative label: 3.2.1.4 Flare Star
broader: Star: Type: Variable
hidden label: 3.2.1.4 @zxx

Star: Type: Variable: Irregular
type: Concept
alternative label: 3.2.1.2 Irregular
broader: Star: Type: Variable
hidden label: 3.2.1.2 @zxx

Star: Type: Variable: Nova
type: Concept
alternative label: 3.2.1.5 Nova
broader: Star: Type: Variable
hidden label: 3.2.1.5 @zxx

Star: Type: Variable: Pulsating
type: Concept
alternative label: 3.2.1.1 Pulsating
broader: Star: Type: Variable
hidden label: 3.2.1.1 @zxx

Star: Type: Wolf-Rayet
type: Concept
alternative label: 3.2.4 Wolf-Rayet
broader: Star
hidden label: 3.2.4 @zxx

Star:Spectral type: F
type: Concept
alternative label: 3.3.4 F
broader: Star
hidden label: 3.3.4 @zxx

Star:Spectral type: G
type: Concept
alternative label: 3.3.5 G
broader: Star
hidden label: 3.3.5 @zxx

Star:Spectral type: K
type: Concept
alternative label: 3.3.6 K
broader: Star
hidden label: 3.3.6 @zxx

Star:Spectral type: L
type: Concept
alternative label: 3.3.8 L
broader: Star
hidden label: 3.3.8 @zxx

Star:Spectral type: M
type: Concept
alternative label: 3.3.7 M
broader: Star
hidden label: 3.3.7 @zxx

Star:Spectral type: T
type: Concept
alternative label: 3.3.9 T
broader: Star
hidden label: 3.3.9 @zxx

Technology
type: Concept
alternative label: 8 Technology
hidden label: 8 @zxx
narrower: Technology: Observatory
narrower: Technology: Spacecraft

Technology: Observatory
type: Concept
alternative label: 8.1 Observatory
broader: Technology
hidden label: 8.1 @zxx
narrower: Technology: Observatory: Facility
narrower: Technology: Observatory: Instrument
narrower: Technology: Observatory: Telescope

Technology: Observatory: Facility
type: Concept
alternative label: 8.1.1 Facility
broader: Technology: Observatory
hidden label: 8.1.1 @zxx

Technology: Observatory: Instrument
type: Concept
alternative label: 8.1.3 Instrument
broader: Technology: Observatory
hidden label: 8.1.3 @zxx

Technology: Observatory: Telescope
type: Concept
alternative label: 8.1.2 Telescope
broader: Technology: Observatory
hidden label: 8.1.2 @zxx

Technology: Spacecraft
type: Concept
alternative label: 8.2 Spacecraft
broader: Technology
hidden label: 8.2 @zxx
narrower: Technology: Spacecraft: Lander
narrower: Technology: Spacecraft: Manned
narrower: Technology: Spacecraft: Orbiter
narrower: Technology: Spacecraft: Probe

Technology: Spacecraft: Lander
type: Concept
alternative label: 8.2.3 Lander
broader: Technology: Spacecraft
hidden label: 8.2.3 @zxx

Technology: Spacecraft: Manned
type: Concept
alternative label: 8.2.4 Manned
broader: Technology: Spacecraft
hidden label: 8.2.4 @zxx

Technology: Spacecraft: Orbiter
type: Concept
alternative label: 8.2.1 Orbiter
broader: Technology: Spacecraft
hidden label: 8.2.1 @zxx

Technology: Spacecraft: Probe
type: Concept
alternative label: 8.2.2 Probe
broader: Technology: Spacecraft
hidden label: 8.2.2 @zxx

Planet types
type: Collection
member: Planet: Type: Gas Giant
member: Planet: Type: Terrestrial

Planet features
type: Collection
member: Planet: Feature: Atmosphere
member: Planet: Feature: Surface

Planet special cases
type: Collection
member: Planet: Special Cases: Hot Jupiter
member: Planet: Special Cases: Pulsar planet
member: Planet: Special Cases: Transiting

Planet satellite features
type: Collection
member: Planet: Satellite: Feature: Atmosphere
member: Planet: Satellite: Feature: Surface

Star: Evolutionary stage
type: Collection
member: Star: Evolutionary Stage: Black Hole
member: Star: Evolutionary Stage: Blue Supergiant
member: Star: Evolutionary Stage: Main Sequence
member: Star: Evolutionary Stage: Neutron Star
member: Star: Evolutionary Stage: Protostar
member: Star: Evolutionary Stage: Red Giant
member: Star: Evolutionary Stage: Red Supergiant
member: Star: Evolutionary Stage: Supernova
member: Star: Evolutionary Stage: White Dwarf
member: Star: Evolutionary Stage: Young Stellar Object

Stars by type
type: Collection
member: Star: Type: Blue Straggler
member: Star: Type: Brown Dwarf
member: Star: Type: Carbon
member: Star: Type: Exotic
member: Star: Type: Variable
member: Star: Type: Wolf-Rayet

Stars by spectral type
type: Collection
member: Star: Spectral type: A
member: Star: Spectral type: B
member: Star: Spectral type: O
member: Star:Spectral type: F
member: Star:Spectral type: G
member: Star:Spectral type: K
member: Star:Spectral type: L
member: Star:Spectral type: M
member: Star:Spectral type: T

Stars by population
type: Collection
member: Star: Population: I
member: Star: Population: II
member: Star: Population: III

Stars by feature
type: Collection
member: Star: Feature: Chromosphere
member: Star: Feature: Corona
member: Star: Feature: Photosphere

Stars by grouping
type: Collection
member: Star: Grouping: Binary
member: Star: Grouping: Cluster
member: Star: Grouping: Multiple
member: Star: Grouping: Triple

Nebula by type
type: Collection
member: Nebula: Interstellar Medium
member: Nebula: Jet
member: Nebula: Planetary
member: Nebula: Star Formation
member: Nebula: Supernova Remnant

Nebula by appearance
type: Collection
member: Nebula: Appearance: Dark
member: Nebula: Appearance: Emission
member: Nebula: Appearance: Reflection

Galaxy by type
type: Collection
member: Galaxy: Type: Barred
member: Galaxy: Type: Elliptical
member: Galaxy: Type: Gravitationally Lensed
member: Galaxy: Type: Interacting
member: Galaxy: Type: Irregular
member: Galaxy: Type: Lenticular
member: Galaxy: Type: Ring
member: Galaxy: Type: Spiral

Galaxy by size
type: Collection
member: Galaxy: Size: Dwarf
member: Galaxy: Size: Giant

Galaxy by activity
type: Collection
member: Galaxy: Activity: AGN
member: Galaxy: Activity: Normal
member: Galaxy: Activity: Starburst
member: Galaxy: Activity: Ultraluminous

Galaxy by component
type: Collection
member: Galaxy: Component: Bar
member: Galaxy: Component: Bulge
member: Galaxy: Component: Central Black Hole
member: Galaxy: Component: Disk
member: Galaxy: Component: Dust Lane
member: Galaxy: Component: Halo
member: Galaxy: Component: Ring
member: Galaxy: Component: Spiral Arm

Galaxy by grouping
type: Collection
member: Galaxy: Grouping: Cluster
member: Galaxy: Grouping: Multiple
member: Galaxy: Grouping: Pair
member: Galaxy: Grouping: Supercluster

Cosmology by morphology
type: Collection
member: Cosmology: Morphology: Cosmic Background
member: Cosmology: Morphology: Deep Field
member: Cosmology: Morphology: Large-Scale Structure

Cosmology by phenomenon
type: Collection
member: Cosmology: Phenomenon: Dark Matter
member: Cosmology: Phenomenon: Gamma Ray Burst
member: Cosmology: Phenomenon: Lensing