More astrophysics illustrations

Astrophysics

Hydrogen recombination

Astrophysics

Uniform disk

Astrophysics

Light signal

Astrophysics

Emission nebula

Astrophysics

Doppler shifted wavelength

Astrophysics

Microwave radiation

Astrophysics

Keplerian solar system

Astrophysics

Dwarf spheroidal galaxy