More astrophysics illustrations

Astrophysics

Space observatory satellite

Astrophysics

Normal direction arrow

Astrophysics

Trigonometric parallax

Astrophysics

Cambridge university college building

Astrophysics

Right ascension declination coordinate

Astrophysics

M104 sombrero galaxy

Astrophysics

Cosmological constant lambda symbol

Astrophysics

A ring