Physics
Star Forming Regions
84%
Star Formation
50%
Protostars
46%
High-Mass Stars
45%
Space Observatories
45%
Massive Star
39%
Radiative Transfer
25%
Interstellar Matter
24%
Young Stellar Objects
24%
Molecular Clouds
20%
Molecular Gas
20%
Vapor Phase
16%
Active Galactic Nuclei
14%
Line of Sight
13%
Line Intensity
10%
Ground State
10%
High Resolution
10%
Bolometer
10%
Line Spectra
10%
Linewidth
10%
Photodissociation Regions
8%
Star Formation Rate
8%
Spatial Distribution
8%
Astrochemistry
7%
Gas Temperature
7%
Metallicity
7%
Fine Structure
7%
Infrared Dark Clouds
7%
Interstellar Clouds
7%
Deuterium
7%
Low-Mass Star
7%
Energetics
7%
Protostar
6%
Physics
6%
Stellar Core
6%
Circumstellar Disks
6%
Fractionation
6%
Ionized Gas
6%
High Temperature Gas
6%
Photodissociation
6%
Extrasolar Planet
5%
H II Regions
5%
Abundance Ratio
5%
Stellar Jets
5%
Galaxy Evolution
5%
Hot Electron
5%
Asteroid Belts
5%
Broadband
5%
Planet Formation
5%
Earth and Planetary Sciences
Emissions
100%
Protostars
35%
Massive Star
27%
Star Formation
24%
European Space Agency
16%
Radiative Transfer
16%
Molecular Clouds
11%
Line of Sight
11%
Shoreline
10%
Ground State
9%
Spectral Resolution
8%
Molecular Gas
8%
Vapor Phase
7%
Photodissociation
7%
Gas Temperature
6%
Methyl Alcohol
6%
Gas Density
5%
Spatial Distribution
5%
H II Regions
5%
Deuterium
5%
Keyphrases
Herschel
45%
Star Forming Regions
40%
High-mass Stars
14%
Protostars
13%
Massive Stars
12%
Column Density
12%
Galaxies
12%
Dust
9%
Shock
8%
Far-infrared
7%
Orion
7%
Star Formation
7%
Spectral Survey
7%
Photon-dominated Region
7%
Interstellar Medium
7%
Galactic
6%
Infall
6%
Hydronium Ion
6%
Low-mass
6%
Massive Star Formation
6%
Science Instruments
6%
Chemical Structure
5%
Molecular Clouds
5%
Orion Bar
5%
Luminosity
5%
Young Stellar Objects
5%
Molecular Lines
5%
Space Observatory
5%
Principal Investigator
5%