More astrophysics illustrations

Astrophysics

Mean free path segment

Astrophysics

Cylindrical rod

Astrophysics

Moon sized planetesimal

Astrophysics

Milky way disk spiral

Astrophysics

Galaxy holmberg radius

Astrophysics

Surface area panel

Astrophysics

Elliptical galaxy luminous

Astrophysics

Mauna loa