More astrophysics illustrations

Astrophysics

Helium i emission line

Astrophysics

Sodium 22

Astrophysics

Vertical axis arrow

Astrophysics

Lever arm

Astrophysics

Binary star semidetached

Astrophysics

Stellar surface contracted

Astrophysics

Canopus supergiant disk

Astrophysics

Observer point marker