More astrophysics illustrations

Astrophysics

Scale factor stretched grid

Astrophysics

R axis

Astrophysics

Observer full figure

Astrophysics

Stylized comet

Astrophysics

Closed universe curvature

Astrophysics

Force vector normal

Astrophysics

Polytropic star

Astrophysics

Fermi dirac occupancy curve zero temperature