More astrophysics illustrations

Astrophysics

Central gravitational force vector

Astrophysics

Velocity envelope circular

Astrophysics

Fluid ocean

Astrophysics

Enclosed luminosity profile plot

Astrophysics

Subgiant star

Astrophysics

Older star

Astrophysics

Erosion channel earth

Astrophysics

Spectral line split triplet