More astrophysics illustrations

Astrophysics

Proper time

Astrophysics

Radial velocity vector negative

Astrophysics

Gaussian function

Astrophysics

Inertial reference frame moving positive x

Astrophysics

Latitude circle

Astrophysics

Dust grain icy

Astrophysics

Dark cloud

Astrophysics

Galactic rotation curve plot