Subject
Astronomy
Astrophysics.
Observations, Astronomical.
538
Physics.
524
Geophysics.
138
Gravitation.
69
Space sciences.
48
Nuclear physics.
39
Cosmology.
37
Hadrons.
31
Heavy ions.
31
Atoms.
30
Elementary particles (Physics).
30
Quantum field theory.
30
Astronomy.
28
Planetology.
19
Statistics.
18
Dynamical systems.
14
Statistical physics.
14
Earth sciences.
13
Measurement.
13
Physical measurements.
13
Nuclear fusion.
10
Atmospheric sciences.
8
Optics.
8
Quantum physics.
8
Optoelectronics.
6
Plasmons (Physics).
6
Condensed matter.
5
Fluids.
5
Geology.
5
Physical chemistry.
5
Quantum computers.
5
Spintronics.
5
Thermodynamics.
5
Acoustics.
4
Automotive engineering.
4
Matter.
4
Mechanics.
4
Microscopy.
4
Solid state physics.
4
Spectroscopy.
4
Continuum physics.
3
Electrical engineering.
3
Electrodynamics.
3
Geometry.
3
Organic chemistry.
3
Popular works.
3
Artificial intelligence.
2
Astrobiology.
2
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