Subject
Astrophysics
Physics
Astronomy
7
Relativity (Physics)
3
Astronautics
2
Mathematical physics
2
Astrobiology
1
Electronics
1
Evolution (Biology)
1
Human physiology
1
Life sciences
1
Mathematics
1
Medicine, Industrial
1
Meteorology
1
Nuclear chemistry
1
Particles (Nuclear physics)
1
Philosophy of nature
1
Plasma (Ionized gases)
1
Quantum theory
1
Science
1