Galaxy Name Generator
The Galaxy Name Generator creates evocative and scientifically inspired names for galaxies, nebulae, star systems, and cosmic clouds. Drawing on the rich traditions of real astronomical nomenclature — constellation names, Greek mythology, descriptive visual characteristics, and alphanumeric catalogue designations — this generator produces names that span the full range of how astronomers and science fiction writers identify the wonders of the deep sky.
Three distinct naming styles are represented. The first combines constellation prefix names (Alpha, Lyra, Draco, Virgo) with mythological proper names (Cassiopeia, Orion, Perseus) to produce names like 'Lyra Hyperion' or 'Draco Nemesis' — echoing the catalogue systems of real astronomy. The second pairs mythological names with cosmic type words (Nebula, Galaxy, Cloud, Star System) for names like 'Perseus Galaxy' or 'Chronos Nebula'. The third uses vivid shape descriptors drawn from nature (Butterfly, Spiral, Jellyfish, Horseshoe) combined with cosmic types, reflecting how astronomers actually nickname the most distinctive deep-sky objects.
Whether you're building a space opera universe, designing a science fiction game, writing astronomy-themed fiction, or studying how real astronomical naming works, this generator provides authentic-sounding cosmic identifiers at every click.
Most galaxies have both a formal catalogue designation and an informal proper name. The Andromeda Galaxy is formally M31 in the Messier catalogue, or NGC 224 in the New General Catalogue, but its colloquial name comes from the constellation in which it appears. The Milky Way's satellite galaxies — the Large and Small Magellanic Clouds — are named after the explorer who first recorded them systematically. The Sombrero Galaxy, the Whirlpool Galaxy, and the Pinwheel Galaxy all take their names from their visual resemblance to everyday objects — a naming tradition that this generator's shape-descriptor patterns honour.
The Greek mythological tradition runs through astronomical naming at every level. The constellations themselves are almost entirely named after mythological figures: Orion the hunter, Perseus the hero, Cassiopeia the queen, Andromeda the princess, Draco the dragon. Individual stars within constellations carry Greek letter designations (Alpha Centauri, Beta Orionis) combined with the constellation name. Many nebulae discovered in the 18th and 19th centuries were named after their mythological character: the Eagle Nebula, the Crab Nebula, the Owl Nebula. This generator draws on all of these traditions.
The most famous galaxies illustrate the variety of astronomical naming traditions. The Andromeda Galaxy (M31) is named for the constellation and the mythological princess chained to a rock. The Whirlpool Galaxy (M51) is named for its distinctive spiral structure. The Sombrero Galaxy (M104) takes its name from the broad-brimmed Mexican hat it resembles. The Tadpole Galaxy, the Mice Galaxies, the Sunflower Galaxy, the Black Eye Galaxy — all named for visual features visible in early telescope observations.
Nebulae follow similar patterns. The Crab Nebula (M1) was named by Lord Rosse in 1844 after seeing its filamentary structure. The Pillars of Creation within the Eagle Nebula were named for their dramatic column structures. The Helix Nebula, the Dumbbell Nebula, the Ring Nebula — all describe the shapes that make these objects memorable. This generator's shape-descriptor pattern — 'Horseshoe Nebula', 'Spiral Cloud', 'Jellyfish Star System' — directly honours this rich tradition of descriptive astronomical naming.
Science fiction has a long tradition of using real astronomical terminology to ground its fictional universes. Star Trek's sectors, systems, and nebulae often use real constellation and star names modified slightly — the Mutara Nebula echoes real nomenclature. Star Wars names like Alderaan, Tatooine, and Coruscant use invented words that feel linguistically consistent with planetary naming. The Foundation series uses the great sweep of galactic geography as its canvas. When creating names for your own fictional cosmos, drawing from real astronomical vocabulary — as this generator does — produces names with the right sonic texture to feel authentically cosmic.
Copy and paste the below code in your site and you will have a fully functional Galaxy Name Generator in an instant.