The Science Keywords listed here are valid for use in conjunction with Scientific Category  and Alternate Category selection in the JWST APT.  These keywords are selected to align with the Unified Astronomy Thesaurus. 

Solar System Astronomy

Asteroids
Astronomical Models
Astronomical Simulations
Atmospheric Composition
Atmospheric Variability
Binary Systems / Multiple Systems
Biomarkers
Centaurs
Chemical Composition
Comets
Inner Planets
Irregular Satellites
Main Belt Asteroids
Minor Planets
Natural Satellites
Near-Earth Objects
Occultation
Orbits
Outer Planets
Planetary Atmospheres
Planetary Rings
Planetary Surfaces
Small Solar System Bodies
Space Weather
Surface Composition
Surface Ices
Surface Processes
Surface Variability
Trans-Neptunian Objects
Transits
Trojan Asteroids
Zodiacal Cloud

Exoplanets and Exoplanet Formation

Astronomical Models
Astronomical Simulations
Biomarkers
Chemical Composition
Circumstellar Disks
Debris Disks
Exoplanet Atmospheres
Exoplanet Atmospheric Composition
Exoplanet Atmospheric Variability
Exoplanet Evolution
Exoplanet Formation
Exoplanet Structure
Exoplanet Surfaces
Exoplanet Systems
Exoplanets
Extrasolar Gas Giants
Extrasolar Ice Giants
Extrasolar Rocky Planets
Free Floating Planets
High Contrast Techniques
Natural Satellites (Extrasolar)
Planet Hosting Stars
Protoplanetary Disks (Extrasolar)
Space Weather
Transits

Stellar Physics and Stellar Types

Astrometry
Astronomical Models
Astronomical Simulations
Binary Stars / Trinary Stars
Black Holes
Brown Dwarf Stars
Circumstellar Disks
Circumstellar Matter
Early-Type Stars
Evolved stars
Gamma-Ray Bursts
Gravitational Wave Sources
H II Regions
High Contrast Techniques
Interacting Binary Stars
Intermediate Type Stars
Interstellar Dust
Interstellar Medium
Late-Type Stars
Low Mass Stars
Main Sequence Stars
Massive Stars
Molecular Clouds
Neutron Stars
Planetary Nebulae
Pre-Main Sequence Stars
Pulsars
Radiative Transfer
Stellar Abundances
Stellar Accretion Disks
Stellar Atmospheres
Stellar Evolution
Stellar Jets 
Stellar Mergers
Stellar Phenomena
Stellar Structures
Supernovae
Transient Sources
Variable Stars
White Dwarf Stars
Young Stellar Objects 

Stellar Populations and the Interstellar Medium

Astrochemistry
Astrometry
Astronomical Models
Astronomical Simulations
Chemical Abundances
Dwarf Galaxies
Early-Type Stars
Elliptical Galaxies
Galactic Center
Galaxy Bulges
Galaxy Evolution
Galaxy Halos
Galaxy Spheroids
Globular Star Clusters
Gravitational Microlensing
H II Regions
Hertzsprung Russell Diagram
High Mass Star Formation
Initial Mass Function
Intermediate Type Stars
Interstellar Atomic Gas
Interstellar Dust
Interstellar Ices
Interstellar Medium
Irregular Galaxies
Late-Type Stars
Local Group
Low Mass Star Formation
Low Metallicity Stars
Magellanic Clouds
Molecular Clouds
Molecular Gas
Open Star Clusters
Planetary Nebulae
Polycyclic Aromatic Hydrocarbons
Population I Stars
Population II Stars
Population III Stars
Resolved Stellar Populations
Star Clusters
Star Formation
Star Formation Histories
Stellar Distance
Stellar Kinematics
Stellar Population Synthesis
Young Stellar Objects

Galaxies

Astronomical Models
Astronomical Simulations
Chemical Abundances
Disk Galaxies
Dwarf Galaxies
Elliptical Galaxies
Emission Line Galaxies
Galaxy Bulges
Galaxy Classification Systems
Galaxy Dark Matter Halos
Galaxy Disks
Galaxy Environments
Galaxy Evolution
Galaxy Formation
Galaxy Kinematics
Galaxy Mergers
Galaxy Spheroids
Galaxy Stellar Halos
Galaxy Structure
High-Redshift Galaxies
Infrared Photometry
Interacting Galaxies
Interstellar Dust
Irregular Galaxies
Local Group
Luminous Infrared Galaxies
Lyman-Break Galaxies
Magellanic Clouds
Molecular Gas
Nearby Galaxies
Polycyclic Aromatic Hydrocarbons
Population III Stars
Quenched Galaxies
Scaling Relations
Spectral Energy Distribution
Star Clusters
Star Formation
Starburst Galaxies
Stellar Populations
Ultraluminous Infrared Galaxies

Intergalactic Medium and the Circumgalactic Medium

Astronomical Models
Astronomical Simulations
Circumgalactic Medium
Cooling Flows
Damped Lyman-Alpha Systems
Gunn-Peterson Effect
Intergalactic Dust Clouds
Intergalactic Medium
Lyman-Alpha Forest
Metal line Absorbers
Warm-Hot Intergalactic Medium

Supermassive Black Holes and Active Galaxies

AGN Host Galaxies
Astronomical Models
Astronomical Simulations
Blazars
Broad-Absorption Line Quasar
Emission Line Galaxies
Galaxy Jets
Galaxy Winds
High Contrast Techniques
High-Luminosity Active Galactic Nuclei
LINER Galaxies
Low-Luminosity Active Galactic Nuclei
M-Sigma Relation
Markarian Galaxies
Quasars
Quenched Galaxies
Radio Cores
Reverberation Mapping
Seyfert Galaxies
Stellar Accretion Disks
Stellar Feedback
Supermassive Black Holes
X-Ray Active Galactic Nuclei

Large Scale Structure of the Universe

Astronomical Models
Astronomical Simulations
Chemical Abundances
Cooling Flows
Cosmic Infrared Background
Cosmological Parameters
Cosmology
Dark Energy
Dark Matter Distribution
Extragalactic Legacy And Deep Fields
Galaxy Clusters
Galaxy Groups
Gamma-Ray Bursts
Gravitational Lensing
Hubble Constant
Intracluster Medium
Large-Scale Structure Of The Universe
Low Densities
Lyman-Break Galaxies
Overdensities
Protoclusters
Protogalaxies
Protostars
Red Giant Tip
Reionization
Stellar Distance
Supernovae

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