More astrophysics illustrations

Astrophysics

Sphere surface

Astrophysics

Semidetached binary

Astrophysics

Hydrogen halpha line

Astrophysics

Lagrange point l3

Astrophysics

Celestial equator

Astrophysics

Lever arm

Astrophysics

Electron positron pair

Astrophysics

Spherical surface section