More astrophysics illustrations

Astrophysics

Elliptical orbit

Astrophysics

Galaxy spectrum redshifted

Astrophysics

Stellar center point

Astrophysics

Planetary material

Astrophysics

Coordinate triad

Astrophysics

Hydrogen dominated envelope

Astrophysics

Spiral galaxy

Astrophysics

Hydrogen emission line redshifted