Physics
Model
100%
Electrons
92%
Laser
87%
Ion
75%
Spectra
58%
Emission
55%
Targets
52%
Stars
52%
Calculation
48%
Simulation
46%
Region
43%
Supernovae
42%
Temperature
40%
Surveys
36%
Speed
34%
Impact
33%
Utilization
32%
Independent Variables
32%
Atoms
31%
Detection
30%
Collisions
29%
Protons
29%
Shapes
27%
Value
27%
Particle
27%
Light
27%
Magnetic Fields
26%
Laser Pulse
25%
Molecules
25%
Ionization
24%
Planets
23%
Variations
22%
Photons
22%
Spectroscopy
22%
Explosion
22%
Events
22%
Spin
21%
Frequencies
21%
Transients
20%
Environment
19%
Ratios
19%
Dust
19%
Correlation
19%
Harmonics
19%
Regimes
19%
Solid State
19%
Behavior
18%
Gaseous State
18%
X Ray
18%
Hydrogen
17%
Cores
16%
Type Ia Supernovae
16%
Amplitudes
15%
Images
15%
Quantum Dot
15%
Ferroelectricity
15%
Extrasolar Planets
15%
Magnitude
14%
Distance
14%
Responses
14%
High Resolution
14%
Populations
14%
Electron Energy
14%
Rotation
14%
Estimates
13%
Oxygen
13%
Orbitals
13%
Heating
13%
Luminosity
13%
Approximation
12%
Crystals
12%
Electric Fields
12%
Metal
12%
Information
12%
Galaxies
12%
Comets
12%
Energy Levels
12%
Domains
12%
Ejecta
11%
Helium
11%
Expansion
11%
Differences
11%
Spectrographs
11%
Contrast
11%
Oscillation
11%
Parameter
11%
Thin Films
11%
Media
11%
Geometry
11%
Work
11%
Arrays
11%
Electron Beams
11%
Colour
10%
Water
10%
Solitary Wave
10%
Electrostatics
10%
White Dwarf
10%
Ion Beams
10%
Radial-Velocity Method
10%
High Power Lasers
10%
Earth and Planetary Sciences
Observation
41%
Model
32%
Emissions
24%
Datum
23%
Spectra
20%
Time
20%
Investigation
18%
Show
18%
Supernovae
17%
Rate
14%
Speed
14%
Planet
13%
Light Curve
13%
Survey
12%
Optical Instrument
12%
Temperature
12%
Collision
11%
Excitation
11%
Calculation
10%
Event
10%
Parameter
10%
Detection
9%
Laser
9%
Simulation
9%
Comet
9%
Electron
9%
Electron Impact
9%
State
9%
Value
9%
Ion
9%
Core
8%
Dust
8%
Ratio
8%
Comparison
8%
Magnetic Field
8%
Radii
8%
Extrasolar Planet
8%
Target
8%
Shape
7%
Explosion
7%
Wavelength
7%
Spectroscopy
7%
Abundance
7%
Report
6%
High Resolution
6%
Class
6%
Variation
6%
Image
6%
Wave
6%
Planetary Atmosphere
6%
Pitch (Inclination)
6%
Mathematical Model
6%
Approach
5%
Experiment
5%
Sample
5%
Gas
5%
Whirl
5%
Spectrographs
5%
Magnitude
5%
Utilization
5%
Energy Levels
5%
Agreement
5%
X Ray
5%
Impact
5%
Water
5%
Environment
5%
Orbit
5%
Estimate
5%
Fine Structure
5%
Host
5%
Chemistry
Procedure
44%
Electron Particle
42%
Energy
41%
Time
31%
Ion
28%
Atom
25%
Molecule
24%
Ionization
19%
Concentration
19%
Plasma
19%
Reaction Temperature
19%
Spectra
18%
Density
18%
Surface
15%
Scattering
15%
Collision
14%
Rate
14%
Application
14%
Liquid Film
12%
Analytical Method
11%
Laser Pulse
11%
Reaction Mechanism
11%
Correlation
10%
Gas
10%
Polarization
9%
Water Type
9%
Pressure
9%
Hydrogen
9%
Number
8%
Wave
8%
Solid
8%
Chemical Reaction
8%
Sample
7%
Ground State
7%
Spectroscopy
7%
Proton
7%
Strength
7%
Electron Impact Excitation
7%
Metal
6%
Photoionization
6%
Aqueous Solution
6%
First Principle
6%
Excited State
5%
Electronic State
5%
Particle Size
5%
Environment
5%
Wavelength
5%
Base
5%
Dioxygen
5%
Equilibrium
5%
Liquid
5%
Recombination
5%
Probe
5%