Category:Extragalactic astronomy

• Extragalactic astronomy

C

• Cooling flow
• Galactic corona
• Correlation function (astronomy)
• Cosmic dust

D

• Density wave theory
• Diffuse extragalactic background radiation
• Dropout (astronomy)

E

• Extinction (astronomy)
• Extragalactic planet

F

• Faber–Jackson relation
• Freeman law
• Fundamental plane (elliptical galaxies)

G

• Galactic tide
• Galaxy morphological classification
• Great Observatories Origins Deep Survey

H

• Hubble sequence

I

• Interacting galaxy
• Intergalactic dust
• Intergalactic star
• Intracluster medium

M

• MilkyWay@home

O

• Ostriker–Peebles criterion

P

• Peculiar velocity
• Photon underproduction crisis

R

• Rogue black hole
• Rubin–Ford effect

S

• Satellite galaxy
• Sołtan argument
• Space dust measurement
• Stebbins–Whitford effect
• Supergalactic coordinate system

T

• Tully–Fisher relation

V

• Velocity dispersion
• Virgocentric flow
• Virial mass