Subject
Physics.
18
astrophysics
5
light
4
Astrophysics.
3
Nuclear physics.
3
matter
3
molecule
3
spectroscopy
3
Astronomy
2
Astronomy.
2
Atoms.
2
Cosmology.
2
Electrodynamics.
2
Microscopy.
2
Observations, Astronomical.
2
Optics.
2
Spectroscopy.
2
atom
2
cosmic radiation
2
electric conductivity
2
geophysics
2
low temperature physics
2
magnetosphere
2
meson
2
nuclear reaction
2
quantum mechanics
2
quantum theory
2
Acoustics.
1
Condensed matter.
1
Heat engineering.
1
Heat transfer.
1
Industrial engineering.
1
Low temperature physics.
1
Low temperatures.
1
Mass transfer.
1
Materials science.
1
Nuclear chemistry.
1
Popular works.
1
Structural materials.
1
Thermodynamics.
1
Van de Graaff accellerator
1
X-ray spectroscopy
1
acoustics
1
anelasticity
1
atmospheric chemistry
1
atmospheric diffusion
1
aurora
1
baryon
1
baryon resonance
1
beta decay
1
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