More astrophysics illustrations

Astrophysics

Double tidal tail galaxy

Astrophysics

Ellipse semimajor axis

Astrophysics

Blueshifted emission line

Astrophysics

Radial thickness dr

Astrophysics

Counter clockwise arrow

Astrophysics

Tidal radius

Astrophysics

Coordinate distance

Astrophysics

Thermal bremsstrahlung