More astrophysics illustrations

Astrophysics

Pre main sequence star with convective core

Astrophysics

Ellipse

Astrophysics

Frictionless wire

Astrophysics

Stellar spectrum digital

Astrophysics

Annual parallax geometry

Astrophysics

Cloud outline

Astrophysics

Red supergiant star

Astrophysics

Bipolar sunspot pair