Physics & Astronomy
angular momentum
9%
anisotropy
7%
atmospheres
48%
atoms
11%
concentrating
13%
cross sections
13%
electrons
4%
energy
3%
hydrogen atoms
10%
ionization
48%
Lorentz force
13%
magnetic fields
11%
magnetic stars
100%
neutron stars
66%
orbitals
8%
photoionization
33%
photons
6%
protons
7%
pulsars
23%
satellite observation
16%
surface layers
9%
symmetry
6%
temperature
6%
thermal emission
13%
thresholds
7%
x rays
5%
Earth & Environmental Sciences
angular momentum
28%
anisotropy
19%
atmosphere
40%
code
17%
cross section
36%
effect
16%
electron
16%
energy
11%
hydrogen
17%
ionization
67%
magnetic field
40%
observation satellite
22%
radio
20%
surface layer
20%
symmetry
21%
temperature
17%