Physics
Planetary Nebula
100%
Stars
97%
Dust
70%
Asymptotic Giant Branch Stars
55%
Emission
54%
Surveys
47%
Model
32%
Spectra
31%
Nebula
29%
Asymptotic Giant Branch
29%
Metallicity
28%
Galaxies
27%
Detection
25%
Large Magellanic Cloud
22%
Evolved Stars
20%
Plane
20%
Very Large Telescope
18%
Gases
18%
Images
18%
Distance
17%
Oxygen
16%
Speed
16%
Metal
15%
Be Type Star
15%
Spectroscopy
15%
Post-Asymptotic Giant Branch
15%
Interstellar Matter
14%
Region
13%
Star Formation
12%
Luminosity
12%
Galactic Bulge
12%
Globular Cluster
11%
Arrays
11%
Temperature
11%
Magellanic Clouds
10%
Populations
10%
Infrared Astronomy Satellite
10%
Ratios
10%
Cores
10%
Environment
9%
Space Infrared Telescope Facility
9%
Red Supergiant Stars
9%
White Dwarf
9%
Independent Variables
9%
Torus
8%
Colour
8%
Value
8%
Expansion
8%
Estimates
8%
Extinction
8%
Earth and Planetary Sciences
Planetary Nebulae
50%
Dust
29%
Emission
27%
Nebulae
21%
Observation
20%
Show
19%
Model
14%
Spectra
13%
Survey
12%
Core
11%
Datum
10%
Asymptotic Giant Branch Stars
10%
Detection
9%
Investigation
8%
Polycyclic Aromatic Hydrocarbon
8%
Outflow
8%
Abundance
8%
Infrared Astronomy Satellite
8%
Rate
8%
Sample
7%
Distance
7%
Magellanic Clouds
7%
Environment
7%
Torus
7%
Wavelength
7%
Morphology
6%
Radio
6%
Wind
6%
Speed
6%
Map
6%
Galactic Bulge
6%
Carbon
5%
History
5%
Extinction
5%
Geometry
5%
Molecule
5%
Magnetic Field
5%
View
5%
Gas
5%
Plane
5%