Galaxy Names

Galaxy Names

Our own galaxy got its name from the Greeks, who called the pale band across the night sky galaxias kyklos, the “milky circle” — the root of both “galaxy” and “Milky Way.” Most of the two trillion or so galaxies in the observable universe only have catalog numbers, but a few dozen have earned real names from their shape, their constellation or the astronomer who studied them.

Below are 100+ galaxy names: famous real galaxies with notes on how they were named, galaxy groups and clusters, original galaxy names for sci-fi worldbuilding, and cosmic names for babies, pets and projects. For more of the night sky, visit our space names, star names and constellation names.

Our top picks: Andromeda, Whirlpool, Sombrero, Pinwheel, Triangulum, Sunflower, Cartwheel, Black Eye, Laniakea, Nebula, Lyra, Cosmo

Famous galaxies and their names

Named galaxies you can find in astronomy books, many visible with a backyard telescope. “M” numbers come from Charles Messier’s 18th-century catalog.

GalaxyCatalog / typeHow it got its name
Milky WayOur home, barred spiralGreek “milky circle,” from Hera’s spilled milk in myth
AndromedaM31, spiralLies in the constellation of the Greek princess Andromeda
TriangulumM33, spiralFound in the constellation Triangulum, “the triangle”
Large Magellanic CloudSatellite of the Milky WayNamed for Ferdinand Magellan, whose crew recorded it
Small Magellanic CloudDwarf irregularCompanion to the Large Magellanic Cloud
WhirlpoolM51, spiralIts swirling arms, first sketched by Lord Rosse in 1845
SombreroM104, spiralLooks like a Mexican sombrero hat
PinwheelM101, spiralFace-on arms like a spinning toy
Black EyeM64, spiralDark dust band over its bright core
CigarM82, starburstLong, narrow shape
Bode’s GalaxyM81, spiralAfter astronomer Johann Elert Bode
SunflowerM63, spiralPatchy arms like seeds in a sunflower head
CartwheelRing galaxyWagon-wheel shape after a collision
TadpoleDisrupted spiralLong tail of stars
AntennaeNGC 4038/4039, merging pairTidal tails like insect antennae
MiceNGC 4676, merging pairTwo long “tails”
Hoag’s ObjectRing galaxyAfter astronomer Arthur Hoag, who found it in 1950
Sculptor GalaxyNGC 253, starburst spiralIn the constellation Sculptor; also the “Silver Coin”
Southern PinwheelM83, barred spiralSouthern-sky twin of the Pinwheel
Centaurus ANGC 5128, radio galaxyBrightest radio source in Centaurus
Messier 87M87, giant ellipticalIts black hole was the first ever imaged (2019)
Needle GalaxyNGC 4565, edge-on spiralThin as a needle from Earth
Fireworks GalaxyNGC 6946, spiralMany supernovae seen in it
Phantom GalaxyM74, spiralFaint and hard to spot
Condor GalaxyNGC 6872One of the largest known spirals, shaped like a bird
Eye of SauronNGC 4151Bright core that resembles Tolkien’s eye
Comet GalaxySpiral in cluster Abell 2667Being stripped into a comet-like tail
Porpoise GalaxyNGC 2936Looks like a porpoise
Backward GalaxyNGC 4622Arms appear to wind the “wrong” way
Hockey StickNGC 4656Bent like a hockey stick
Coma PinwheelM99, spiralPinwheel-like spiral in Coma Berenices
Bear’s PawNGC 2537, dwarfLooks like a paw print
Spindle GalaxyNGC 5866, lenticularSeen edge-on like a spindle
Little SombreroNGC 7814, spiralSmaller cousin of the Sombrero
Lost GalaxyNGC 4535, spiralSo faint it seems to vanish in small telescopes
Butterfly GalaxiesNGC 4567/4568Overlapping pair, also called the Siamese Twins
Barnard’s GalaxyNGC 6822, dwarf irregularAfter E. E. Barnard, who found it in 1884
Ghost of MirachNGC 404Hides in the glare of the star Mirach
Starfish GalaxyNGC 6240, mergerIrregular star-like shape
Lindsay–Shapley RingAM 0644-741, ring galaxyNamed after two astronomers
Circinus GalaxyActive spiralIn the southern constellation Circinus

Dwarf galaxies and record breakers

Small neighbors of the Milky Way and a few galaxies famous for their size or distance.

GalaxyWhat it isNote
Sagittarius DwarfDwarf spheroidalBeing absorbed by the Milky Way
Canis Major DwarfPossible dwarf galaxyProposed closest neighbor, disputed
Leo IDwarf spheroidalSatellite of the Milky Way in Leo
Draco DwarfDwarf spheroidalFaint satellite in Draco
Wolf–Lundmark–MelotteDwarf irregularNamed after three astronomers
IC 1101Giant ellipticalAmong the largest galaxies known
Malin 1Giant low-brightness spiralHuge, ghostly disk
GN-z11Very distant galaxySeen as it was ~400 million years after the Big Bang
JADES-GS-z14-0Very distant galaxyFound by the James Webb Space Telescope
Pegasus DwarfDwarf irregularIn the constellation Pegasus
Fornax DwarfDwarf spheroidalHas its own globular clusters
AlcyoneusGiant radio galaxyRadio lobes about 16 million light-years across
Cosmos Redshift 7Distant galaxyEarly galaxy seen in the COSMOS survey

Galaxy groups, clusters and superclusters

Galaxies live in families. These names are real and wonderfully grand. Our planet names hub covers the worlds closer to home.

NameWhat it isNote
Local GroupOur galaxy groupMilky Way, Andromeda, Triangulum and dozens of dwarfs
Virgo ClusterGalaxy clusterMore than 1,000 galaxies
Coma ClusterGalaxy clusterWhere Fritz Zwicky inferred dark matter in 1933
LaniakeaSuperclusterHawaiian for “immense heaven,” named in 2014
Stephan’s QuintetCompact groupFive galaxies, famous in Webb images
Bullet ClusterColliding clustersKey evidence for dark matter
Fornax ClusterGalaxy clusterIn the southern constellation Fornax
Hercules ClusterGalaxy clusterRich in spirals
Shapley SuperclusterSuperclusterAfter astronomer Harlow Shapley
Seyfert’s SextetCompact groupAfter Carl Seyfert
Leo TripletSmall groupThree spirals: M65, M66 and NGC 3628
El GordoColliding clusterSpanish for “the fat one”
Perseus ClusterGalaxy clusterBrightest cluster in X-rays
Sloan Great WallGalaxy filamentEnormous wall of galaxies

Made-up galaxy names for sci-fi and worldbuilding

Original names for the galaxies in your novel, game or campaign — they borrow real naming patterns: mythology, shape and discoverer. Pair with our sci-fi names.

Galaxy nameStyleGood for
Elysian SpiralMythic, heavenlyPeaceful core worlds
VortaraSwirling, inventedSpace-opera empire
The Silver VeilPoeticMysterious frontier
Kaelus ExpanseLatin-flavoredExplored territory
Ophira ClusterBiblical-exoticRich mining region
NyxaraNight goddess rootDark, dangerous galaxy
CindervaneBurning, stormyWar-torn galaxy
The Pale WheelShape-basedAncient, dim galaxy
Aurion ReachGoldenWealthy trade galaxy
Thalassa NebularOcean-likeWater-world region
Crown of HesperEvening-star mythRoyal home galaxy
Obsidian RiftDark, sharpVoid between galaxies
Serenade SpiralMusicalUtopian civilization
Kharon’s GateUnderworld ferrymanBorder of known space
Lumen DriftLight, slowNomad fleets
ZephyriaWest-wind mythYoung, star-forming galaxy

Galaxy-inspired names for babies, pets and projects

Cosmic words that work as real names. Explore names that mean star, names that mean moon and names that mean sky for more.

NameMeaning / connectionWorks for
NebulaLatin, “mist, cloud”Pet, ship, project
CosmoGreek kosmos, “order, universe”Boy or pet
LyraConstellation of the lyreGirl
StellaLatin, “star”Girl
AstroGreek, “star”Dog or robot
CelesteLatin, “heavenly”Girl
OrionThe hunter constellationBoy
VegaBrightest star in LyraGirl or unisex
SiriusBrightest star in the night skyBoy or dog
GalaxiaSpanish/Portuguese, “galaxy”Girl or project
MagellanExplorer honored by the Magellanic CloudsBoy
HalleyAfter Halley’s CometGirl
NovaLatin, “new”; a star that suddenly brightensGirl
QuasarUltra-bright galactic coreGamer tag or team
ZenithHighest point in the skyUnisex or project
AuroraLatin, “dawn”Girl

How galaxies get their names (and how to name your own)

  • By catalog number. Most galaxies are just M, NGC or IC numbers — Messier, the New General Catalogue and the Index Catalogue.
  • By constellation. Andromeda, Triangulum, Sculptor and Fornax are named for the constellation they appear in.
  • By shape. Whirlpool, Sombrero, Cartwheel and Cigar all describe what astronomers saw through the eyepiece.
  • By discoverer. Bode’s Galaxy, Hoag’s Object and the Magellanic Clouds honor people.
  • For fiction, mix the methods. A shape plus a myth (the Pale Wheel of Hesper) sounds convincingly real; see our Greek god names for mythic roots.

Frequently asked questions

What are the names of galaxies?

Well-known galaxies include the Milky Way, Andromeda, Triangulum, the Large and Small Magellanic Clouds, Whirlpool, Sombrero, Pinwheel, Black Eye, Cigar and Cartwheel.

Why is it called the Milky Way?

The name comes from the Latin via lactea, a translation of the Greek galaxias kyklos, “milky circle.” Greek myth said it was milk spilled by the goddess Hera.

What is the closest galaxy to the Milky Way?

The Canis Major Dwarf and Sagittarius Dwarf are the closest known, though Canis Major’s status is debated. The closest large spiral galaxy is Andromeda, about 2.5 million light-years away.

How many galaxies are there?

Estimates vary widely; studies suggest the observable universe holds hundreds of billions to around two trillion galaxies. Only a small fraction have popular names.

What is the biggest known galaxy?

IC 1101 is often cited as one of the largest, and Alcyoneus is a giant radio galaxy whose jets span about 16 million light-years.