More astrophysics illustrations

Astrophysics

Nebula with dark lanes

Astrophysics

Stellar radius marker r1

Astrophysics

Nitrogen ii emission line

Astrophysics

Detached main sequence binary

Astrophysics

Radar signal

Astrophysics

Absorption line

Astrophysics

Lorentz factor gamma

Astrophysics

Outlined circles