More astrophysics illustrations

Astrophysics

Equatorial plane

Astrophysics

Radial thickness dr

Astrophysics

Maxwell boltzmann distribution shaded interval

Astrophysics

Infalling material

Astrophysics

Great attractor direction marker

Astrophysics

Simple harmonic oscillation

Astrophysics

Rectangular coordinate axes

Astrophysics

Spiral arm loose