Spiral galaxy NGC 2841, composite image
Spiral galaxy M81, composite image
Spiral galaxy M106, Hubble image
Spiral galaxy NGC 2403, optical image
Spiral galaxy NGC 3521, optical image
Spiral galaxy NGC 7331, optical image
Southern Pinwheel Galaxy, composite image
Pinwheel Galaxy, composite image
Andromeda Galaxy, composite image
Pinwheel Galaxy (M101), Hubble image
Southern Pinwheel Galaxy, Hubble image
Antennae colliding galaxies
Stephan's Quintet, composite image
Sculptor Galaxy, composite image
Spiral galaxy NGC 6949, optical image
Pinwheel Galaxy, M101
D100 spiral galaxy with a tail of gas
Spiral galaxy NGC 2683
Sculptor Galaxy (NGC 253), Hubble image
Spiral galaxy NGC 891, optical image
Ring Nebula M57, Hubble image
Triangulum Galaxy (M33), optical image
Dumbbell Nebula M27, Hubble image
Dwarf spiral galaxy NGC 6503
Spiral galaxy NGC 1232, optical image
Trifid Nebula M20, Hubble image
Pinwheel Galaxy, HST image
Interacting spiral galaxy UGC 8335
Spiral galaxy NGC 2841, infrared image
NGC 1333 reflection nebula
Meathook Galaxy, composite image
Galaxy NGC 5866, Hubble image
Spiral galaxy NGC 1073, HST image
Spiral galaxy NGC 922, HST image
Seagull Nebula, composite image
Spiral galaxy NGC 4725
Whirlpool galaxy
Spiral galaxy, Hubble image
Active galaxy Markarian 817, HST image
Messier 77 spiral galaxy, Hubble image
Messier 63 Sunflower galaxy, Hubble image
Messier 100 spiral galaxy, Hubble image
Spiral galaxy M106, composite image
Sombrero galaxy (M104), HST image
Whirlpool galaxy (M51), composite image
Spiral galaxy NGC3949
Spiral galaxy M101
Spiral galaxy NGC 2976, infrared image
Spiral galaxy, Hubble Space Telescope image
Spiral galaxy NGC 2683, Hubble image
Spiral galaxy NGC 3521, Hubble image
Galaxies M81 and M82, ultraviolet image
Southern Pinwheel Galaxy, M83
Pandora's cluster, composite image
Galaxy SXDF-NB1006-2, illustration
Spiral galaxy M74
Musketball galaxy cluster, composite
Barred spiral galaxy, Hubble image
Messier 96 spiral galaxy, Hubble image
Distant galaxy HUDF-JD2, HST-SST image
Spiral galaxy NGC 3370
Spiral galaxy NGC 300
Interacting galaxies NGC 3690 and IC 694
Dwarf galaxy Holmberg IX
Spiral galaxy NGC 1512
Cigar galaxy (M82), composite image
Spiral galaxy NGC 2276, HST image
Triangulum galaxy (M33)
Galaxy pair Arp 116, HST image
Galaxy NGC 4945, optical image
Messier 85 galaxy, Hubble image
Colliding galaxies, Hubble image
Centaurus A radio galaxy, composite image
Barred spiral galaxy NGC 2903
NGC 6872 colliding galaxies, composite
Andromeda galaxy, Hubble image
Halo stars in Andromeda Galaxy
Spiral galaxy NGC 6872, composite image
Spiral galaxy NGC 4013
Spiral galaxy NGC 4603
Spiral galaxy NGC 1566, infrared image
Spiral galaxy ESO 137-001, composite
Spiral galaxy NGC 1448, Hubble image
Fireworks Galaxy, optical image
Colliding galaxy NGC 6240
Spiral galaxy NGC 2397
Elliptical galaxy NGC 1132
Interacting galaxy NGC 5331
Interacting galaxy NGC 6670
Starburst galaxy NGC 1313
NGC 7714 spiral galaxy, Hubble image
Andromeda galaxy (M31), infrared image
Spiral galaxy M74, SST infrared image
Supernova remnant E0102-72.3, optical image
Supernova remnant E0102-72.3, composite image
Neutron star in supernova remnant E0102-72.3
Spiral galaxy IC 342, NuSTAR X-ray image
Lenticular galaxy NGC 2787
Active galaxy NGC 1275, HST image
Spiral galaxy NGC 5746, X-ray composite
Elliptical galaxy NGC 1316, HST image
Lenticular galaxy, Hubble image
Andromeda Galaxy
NGC 1850 star cluster, composite image
Lenticular galaxy IC 335, Hubble image
Spiral galaxy NGC 2841
Barred spiral galaxy (NGC 3079)
Peculiar spiral galaxy (NGC 3718)
Galaxy M82, Spitzer infrared image
Spiral galaxy NGC 300, infrared image
Spindle galaxy (NGC 5866)
Stellar stream, HST image
Quasar Markarian 205
Abell 2744 galaxy cluster, composite image
IC 342 spiral galaxy, infrared image
Spiral galaxy NGC 3627, composite image
Andromeda Galaxy, infrared image
Spiral galaxy
Interacting galaxies in HCG 90, HST image
Arp 82 colliding galaxies, infrared image
NGC 346 open cluster and nebula
Interacting galaxies NGC 5257 and 5258
Spiral galaxy NGC 1637, VLT image
Spiral galaxy NGC 1365, HAWK-I image
Sagittarius Dwarf Irregular Galaxy
NGC 4921 spiral galaxy, Hubble image
Galaxy cluster MACS J0717
Ring galaxy AM 0644-741
Galaxy cluster Abell S0740
Young galaxy lensed by cluster Abell 383
Messier 89 elliptical galaxy, Hubble image
Messier 49 elliptical galaxy, Hubble image
Galaxy ESO 162-17, Hubble image
Abell 1689 galaxy cluster, HST image
Barred spiral galaxy NGC 1672
Whirlpool Galaxy, composite radio image
Galaxies M81 and M82
Irregular galaxy NGC 4449, Hubble image
NGC 5559 spiral galaxy, HST image
Peculiar galaxy NGC 3256, HST image
Irregular galaxy NGC 4485, HST image
Irregular galaxy NGC 4861, HST image
Active galaxy NGC 1068, composite image
Starburst galaxy NGC 1569, HST image
Dwarf galaxy NGC 4449, HST image
Spiral galaxy (M81)
Pinwheel galaxy (M101)
Arp 116 galaxy pair, Hubble image
Southwestern arm, Andromeda Galaxy
Bode's Galaxy (M81), optical image
Messier 81 spiral galaxy, Hubble image
Messier 109 spiral galaxy, Sloan Digital Sky Survey image
M78 reflection nebula
Head-on collision between two galaxies, HST image
Horsehead nebula
NGC 1947 galaxy, Hubble Space Telescope image
Galaxies interacting, Hubble image
Galaxy NGC 7049, HST image
M100 spiral galaxy, Hubble image
Southern Pinwheel Galaxy, infrared image
Antennae colliding galaxies, Hubble image
Antennae galaxies, composite image
Overlapping galaxies, HST image
Starfield, SWEEPS image
Colliding galaxies, infrared composite
Antennae galaxies, HST image
Interacting galaxies 3C 321, visible
Interacting galaxies 3C 321, ultraviolet
NGC 6744 spiral galaxy, infrared image
Galaxy NGC 2842, Chandra X-ray image
Colliding galaxies, space telescope image
Spiral galaxies NGC 4302 and NGC 4298, HST image
Spiral galaxies NGC 4302 and NGC 4298, infrared HST image
Colliding galaxies NGC 1512 and NGC 1510, HST image
El Gordo galaxy cluster, composite image
Globular cluster NGC 1898, HST image
Arp 220 galaxy
Starburst galaxy, HST image
Cartwheel galaxy group, composite image
Cartwheel galaxy group, optical image
Silver Needle Galaxy, HST image
Galaxy PGC 6240, Hubble image
Open star cluster NGC 6791
Abell 2537 galaxy cluster, HST image
Galaxy cluster and Einstein ring, HST image