A

David

Darling

GALAXIES

NGC 1672
interacting galaxies
ring galaxy AM0644-741

  • Abell cluster
  • active galactic nucleus
  • active galaxy
  • Ambartsumian's Knot
  • Andromeda Galaxy (M31, NGC 224)
  • anemic spiral galaxy
  • ansa
  • Antennae (NGC 4038 and NGC 4039)
  • Antlia Dwarf Galaxy
  • Aquarius Dwarf
  • Atoms for Peace Galaxy (NGC 7252)

  • Barnard's Galaxy (NGC 6822)
  • barred spiral
  • Bautz-Morgan classification
  • BL Lacertae object
  • Black Eye Galaxy (M64, NGC 4826)
  • blazar
  • blue compact dwarf galaxy
  • Box, The (Hickson 61)
  • Butcher-Oemler effect
  • BX 442

  • Canes Venatici Cloud
  • Canes Venatici I Group
  • Canes Venatici II Group
  • Canis Major Dwarf
  • Carina Dwarf
  • Cartwheel Galaxy (ESO350-40)
  • Cassiopeia Dwarf (Cas dSph)
  • Centaurus A (NGC 5128)
  • Centaurus Cluster
  • Circinus Galaxy
  • Cloverleaf Quasar (H1413+117)
  • cluster of galaxies
  • Coddington's Nebula (IC 2574)
  • Coma Cluster
  • Copeland's Septet (Hickson 57)
  • Cygnus A (3C 405)

  • D galaxy
  • dark galaxy
  • dark halo
  • db galaxy
  • density wave
  • differential rotation
  • discordant redshift
  • disk galaxy
  • Doppler boosting
  • Double Quasar (Q0957+561A/B)
  • Draco Dwarf
  • dwarf elliptical galaxy
  • dwarf irregular galaxy
  • dwarf spheroidal galaxy
  • dwarf galaxy
  • Dwingeloo 1

  • early-type galaxy
  • Einstein Cross (G2237+030)
  • Einstein ring
  • elliptical galaxy
  • entrainment
  • Ep galaxy
  • EROS (Experience pour la Recherche d'Objet Sombres)
  • extragalactic background light
  • Eyes, The (NGC 4435 and 4438)

  • Faber-Jackson relation
  • Fanaroff-Riley classification
  • Fornax A (NGC 1316)
  • Fornax Cluster
  • Fornax Dwarf

  • galactic anticenter
  • galactic bulge
  • galactic center
  • galactic coordinates
  • galactic disk
  • galactic equator
  • galactic halo
  • galactic magnetic field
  • galactic noise
  • galactic plane
  • galactic rotation
  • galaxy
  • Galaxy, the
  • galaxy cannibalism
  • galaxy classification
  • galaxy formation
  • galaxy interaction
  • galaxy merger
  • Great Annihilator
  • Great Attractor
  • Great Wall
  • Grus Quartet (NGC 7552, NGC 7582, NGC 7590, and NGC 7599)

  • Haro galaxy
  • head-tail galaxy
  • Helix Galaxy (NGC 2685)
  • Hercules Cluster (Abell 2151)
  • Hoag's Object (PGC 54559)
  • Hockey Stick (NGC 4656)
  • Holmberg II Dwarf Irregular Galaxy
  • hot spot

  • IC 10
  • infrared galaxy
  • Integral Sign Galaxy (UGC 3697)
  • intergalactic medium
  • intracluster medium
  • irregular galaxy

  • jet

  • Keenan's System (NGC 5216 and NGC 5218)

  • Laing-Garrington effect
  • Large Magellanic Cloud
  • lenticular galaxy
  • Leo I
  • Leo II
  • Leo III
  • Lindsay-Shapley Ring (AM0644-741)
  • LINER (low-ionization nuclear emission-line region)
  • Local Group
  • Local Supercluster
  • low surface brightness galaxy

  • M32 (NGC 221)
  • M74 (NGC 628)
  • M81 (NGC 3031)
  • M82 (NGC 3034)
  • M87 (NGC 4486)
  • M89 (NGC 4552)
  • M94 (NGC 4736)
  • M95 (NGC 3351)
  • M101 (NGC 5457)
  • M110 (NGC 205)
  • MACHO (Massive Astronomical Compact Halo Object)
  • Maffei 1 Group
  • Magellanic Clouds
  • Malin-1
  • Malmquist effect
  • Markarian Chain
  • mass-luminosity ratio
  • Mice, The (NGC 4676 A and B)
  • Milky Way
  • Minkowski's Object (Arp 133)
  • Mirach's Ghost (NGC 404)

  • N galaxy
  • Needle Galaxy
  • NGC 1187
  • NGC 253
  • NGC 4565
  • NGC 4622
  • NGC 5128 Group
  • NGC 891

  • Orion Arm

  • peculiar galaxy
  • Pegasus Dwarf Spheroidal (Peg dSph, DDO 216)
  • Perseus Arm
  • Perseus Cluster (Abell 426)
  • Perseus-Pisces Supercluster
  • Phoenix Cluster
  • Phoenix Dwarf
  • Pinwheel Galaxy
  • Pisces Cloud (NGC 379, 380, 382-5)
  • Pisces Dwarf (LGS-3)
  • polar ring galaxy
  • Polarissima Borealis (NGC 3172)

  • quasar

  • radio galaxy
  • relativistic beaming
  • rich cluster of galaxies
  • ring galaxy
  • Robert's Quartet
  • rotation curve

  • Sagittarius Arm
  • Sagittarius Dwarf Elliptical Galaxy (SagDEG, Sag dSph)
  • Sagittarius Dwarf Irregular Galaxy (SagDIG, Sag dIrr)
  • satellite galaxy
  • Sculptor Dwarf
  • Sculptor Group
  • Sextans Dwarf
  • Seyfert galaxy
  • Seyfert's Sextet (Hickson 79)
  • Shapley Concentration
  • shell galaxy
  • Small Magellanic Cloud
  • Sombrero Galaxy (M104, NGC 4594)
  • Spindle Galaxy (NGC 3115 and NGC 5866)
  • spiral arm
  • spiral galaxy
  • starburst galaxy
  • Stephan's Quintet
  • Sunflower Galaxy (M63, NGC 5055)
  • supercluster
  • supergalactic plane
  • superluminal radio source
  • supermassive black hole

  • Tadpole Galaxy
  • tidal dwarf galaxy
  • tidal tail
  • Triangulum Galaxy (M33, NGC 598)
  • Tully-Fisher relation

  • ultra-luminous infrared galaxy (ULIRG)
  • Ursa Major Groups
  • Ursa Minor Dwarf

  • Virgo Cluster

  • Whirlpool Galaxy (M51, NGC 5194)
  • Willman 1
  • Wolf-Lundmark-Melotte Galaxy (WLM Galaxy)

  • X-ray cluster