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Keyphrases
Planetary Nebulae
100%
Nebulae
53%
Central Star
46%
Magellanic Clouds
34%
X-ray Emission
29%
X-ray
25%
Spectrophotometry
24%
Galaxies
18%
Electron Temperature
18%
Point Source
16%
Dumbbell
12%
Chemical Enrichment
12%
Stellar Winds
12%
Cat's Eye
12%
Stellar Evolution
12%
Electronic Emission
12%
Glint
12%
Emission Lines
12%
Fainting
12%
Chemical Composition
10%
Electron Density
9%
He II
9%
Evolutionary Rate
9%
Hard X-ray
8%
Hot Gas
8%
Diffuse Emission
7%
Luminosity
6%
Tight
6%
Spectral Line Intensity
6%
Energy Band
6%
Innovative Methods
6%
Helium Abundance
6%
N-rich
6%
Helium
6%
Faint Object
6%
Photometry
6%
Energy Balance
6%
White Dwarfs
5%
Shklovsky
5%
Physics
Planetary Nebula
100%
Nebula
46%
X Ray
37%
Magellanic Clouds
35%
Spectrophotometry
25%
Electron Energy
18%
Dredge-up
15%
Compact Nebulae
15%
Chemical Enrichment
12%
Stellar Remnants
12%
Stellar Wind
10%
Electron Density
9%
High Temperature Gas
8%
Energy Band
8%
White Dwarf
7%
Line Spectra
6%
Line Intensity
6%
Helium Abundance
6%
Faint Object
6%
Earth and Planetary Sciences
Planetary Nebulae
62%
Nebulae
40%
Magellanic Clouds
18%
Electron Energy
18%
Spectrophotometry
15%
Emissions
12%
Stellar Evolution
12%
X Ray
12%
Electron Density
9%
Energy Band
8%
Line Spectra
6%
