More astrophysics illustrations

Astrophysics

Cylindrical coordinate system

Astrophysics

Diurnal path of the sun

Astrophysics

Milky way halo

Astrophysics

Ionization nebula

Astrophysics

Glowing yellow ring

Astrophysics

Elliptical galaxy dwarf

Astrophysics

Organ pipe open at one end

Astrophysics

Photon path straight