Keyphrases
Spiral Arms
64%
Cosmic Rays
62%
Eddington
56%
Galactic
49%
Cosmic Ray Flux
41%
Supernovae
40%
Neutron Stars
39%
High Energy
37%
Cosmic Ray Sources
34%
PAMELA
29%
Supernova Remnants
29%
Interstellar Medium
27%
Eddington Limit
27%
Eddington Luminosity
26%
Solar System
26%
Mass Loss
24%
Electron Spectrum
23%
Greenhouse Effect
23%
Milky Way
23%
White Dwarfs
22%
Ultra-high Energy Cosmic Rays
19%
Phanerozoic
19%
Binary Pulsars
19%
Cosmic Ray Propagation
19%
Natural Explanations
19%
Massive Stars
19%
Accretion Rate
19%
Porosity
18%
Outburst
17%
Galaxies
17%
Physics
Spiral Arms
100%
Supernovae
58%
Neutron Stars
57%
Planetary Atmosphere
51%
Magnetic Field
43%
Milky Way
29%
Supernova Remnant
29%
Porosity
29%
Positron
28%
Cosmic Ray Sources
28%
Interstellar Matter
27%
Nuclear Reaction
26%
Atmospherics
26%
Kinetic Energy
24%
White Dwarf
24%
Optical Bursts
23%
Massive Star
23%
Stellar Atmosphere
22%
Stellar Wind
22%
Black Holes
21%
Supermassive Black Holes
21%
High-Energy Cosmic Radiation
19%
Binary Pulsars
19%
Greenhouse Effect
19%
Nuclear Fusion
19%
Iron Meteorite
19%
Magnetosphere
19%
Solar Neutrinos
19%
Novae
19%
Potential Energy
18%