• Astronomical objects by century of discovery (7 C)
• Astronomical objects by year of discovery (267 C)
• Discoverers of astronomical objects (5 C, 7 P)
• Discoveries by astronomer (688 C)

-

• Astronomical catalogues (31 C, 58 P)

*

• Lists of astronomical objects (10 C, 23 P)

B

• Binary systems (2 C, 10 P)
• Black holes (6 C, 126 P, 1 F)
• Bodies of the Solar System (15 C, 6 P)

C

• Star clusters (7 C, 26 P)
• Co-orbital objects (4 C, 4 P)
• Cometary objects (2 C, 1 P)

D

• Celestial deities (6 C)
• Cosmic dust (22 P)
• Astronomical dynamical systems (3 C, 5 P)

F

• Fiction about astronomical objects (11 C, 2 P)

G

• Galaxies (31 C, 100 P)
• Galaxy clusters (58 C, 138 P)
• Galaxy filaments (5 C, 22 P)
• Galaxy superclusters (14 C, 24 P)

H

• Hypothetical astronomical objects (6 C, 25 P)

I

• Impact craters (4 C, 16 P)
• Interstellar objects (1 C, 4 P)

L

• Lost astronomical objects (4 C, 1 P)

M

• Minor planet objects (6 C)

N

• Nebulae (24 C, 23 P)
• Astronomical nomenclature (4 C, 19 P)

P

• Planetary-mass objects (3 C, 5 P)
• Planets (15 C, 16 P)

R

• Astronomical radio sources (5 C, 25 P)
• Recovered astronomical objects (54 P)

S

• Star systems (5 C, 31 P)
• Stars (24 C, 89 P)
• Substellar objects (4 C, 2 P)
• Astronomical surveys (13 C, 115 P)

X

• Astronomical X-ray sources (3 C, 53 P)

Σ

• Wikipedia categories named after astronomical objects (7 C)