(astronomy) A spiral galaxy in the Local Group and closest to the Milky Way, visible to the naked eye in the constellation of Andromeda, the brightest of the Messier objects and often referred to by its designation M31.

plural of dwarf spheroidal galaxy

plural of galaxite

(mineralogy) A brownish-red spinel mineral found in carbonate-rich metamorphosed manganese ore deposits.

(astronomy) a very large radio galaxy; a double radio source having an overall projected linear length exceeding 2 megaparsecs (or more specifically, 2×h₅₀⁻¹ Mpc)

Resembling or characteristic of a galaxy.

(astronomy, galaxies) plural of galaxy cluster

(astronomy, galaxies) A cluster of hundreds of galaxies.

plural of galaxy group

(astronomy) A group of galaxies that hold together gravitationally.