More astrophysics illustrations

Astrophysics

Betelgeuse expanded

Astrophysics

Dust cloud optically thick

Astrophysics

Accretion disk hot

Astrophysics

Curved pressure wavefront

Astrophysics

Radial axis r

Astrophysics

Dotted reference line

Astrophysics

Radial excursion

Astrophysics

Sphere north pole