several things grouped together or considered as a whole

either of two small galaxies orbiting the Milky Way; visible near the south celestial pole

(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior

everything that exists anywhere

clouds of particles or gases occurring throughout interstellar space

the branch of physics that studies celestial bodies and the universe as a whole

a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center

a massive grouping of galaxies in the direction of Centaurus and Hydra whose gravitational attraction is believed to cause deviations in the paths of other galaxies

the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky

a type of galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless brightness profile.

either of two small galaxies orbiting the Milky Way; visible near the south celestial pole

(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior

everything that exists anywhere

clouds of particles or gases occurring throughout interstellar space

the branch of physics that studies celestial bodies and the universe as a whole