More astrophysics illustrations

Astrophysics

Proton composite

Astrophysics

Minneapolis marker

Astrophysics

Milky way band

Astrophysics

Refracting telescope

Astrophysics

Zeeman effect spectral line triplet

Astrophysics

Back end of train

Astrophysics

Electron pressure symbol

Astrophysics

Polar angle theta