- 星系团 xīngxìtuán galaxy clustera structure consisting of hundreds to thousands of galaxies bound together by gravity
- 恒星系 héngxīngxì stellar systema large group of stars held together by gravity; a galaxy; also abbreviated as [[星系|星系|xing1 xi4]]
- 河外星系 héwàixīngxì extragalactic galaxyA massive system of stars, gas, and dust located outside of our own Milky Way, such as an elliptical, spiral, or irregular galaxy.
- 总星系 zǒngxīngxì metagalaxyThe observable universe, comprising the Milky Way and all other galaxies reachable by current human observation.
- 旋涡星系 xuánwōxīngxì spiral galaxya galaxy in which the stars and gas clouds are arranged in a spiral shape
- 仙女星系 xiānnǚxīngxì Andromeda galaxythe Andromeda galaxy, also known as Messier 31 or M31
- 星系盘 xīngxìpán galactic discThe flattened, rotating region of a galaxy that contains stars, gas, and dust
- 棒旋星系 bàngxuánxīngxì barred spiral galaxy
- 仙女座星系 xiānnǚzuòxīngxì Andromeda GalaxyA spiral galaxy located in the constellation [[仙女座|仙女座|xian1 nu:3 zuo4]], also known as Messier 31; it is the closest large galaxy to the [[银河系|銀河系|yin2 he2 xi4]].
