More astrophysics illustrations

Astrophysics

Two body gravitational interaction diagram

Astrophysics

Inertial reference frame s double prime

Astrophysics

Color spectrum

Astrophysics

Monatomic gas

Astrophysics

Source function profile

Astrophysics

Stellar atmosphere plane parallel slab

Astrophysics

Energy level transition

Astrophysics

Density profile plot