Dark matter ring in galaxy cluster
Galaxy cluster Abell 2261, HST image
Young galaxy lensed by cluster Abell 383
Abell 1689 galaxy cluster, X-ray image
Galaxy cluster collision, X-ray image
Galaxy cluster SMACS 0723, Hubble image
Galaxy cluster MS0735.6+7421
Pandora's cluster, composite image
Lensed galaxies in a cluster
Galaxy cluster SDSS J0333+0651, HST image
Distant galaxy HUDF-JD2, HST-SST image
Gravitational lensing of a galaxy, Hubble image
Galaxy cluster SMACS 0723, Hubble and JWST images
Cartwheel galaxy group, composite image
Cartwheel galaxy group, optical image
Hubble Ultra Deep Field galaxies
Abell 194 galaxy cluster
Coma galaxy cluster (Abell 1656)
Hercules galaxy cluster (Abell 2151)
Perseus galaxy cluster (Abell 426)
Abell 383 galaxy cluster, composite image
Abell 520 galaxy cluster, composite image
Colliding galaxies, space telescope image
Hubble Ultra Deep Field
Hubble eXtreme Deep Field
Hubble Ultra Deep Field, ultraviolet coverage
GOODS North Field, ultraviolet coverage
GOODS South Field, ultraviolet coverage
Halo around galaxy NGC 4631
Virgo Cluster of galaxies
Hickson Compact Group 44 galaxy cluster
Halo stars in Andromeda Galaxy
Galaxy cluster Abell S0740
Abell 3376 galaxy cluster, composite
Abell 370 galaxy cluster, Hubble Frontier Field
Universe's normal matter
Universe's dark matter
Musketball galaxy cluster, composite
Abell 1689 galaxy cluster, HST image
Abell 2537 galaxy cluster, HST image
Galaxy cluster and Einstein ring, HST image
Abell S1063 galaxy cluster, Hubble image
Galaxy cluster RX J1532, composite image
Universe's dark matter, 3D map
Distortion of light from distant galaxies by galaxy cluster
Hubble Ultra Deep Field 2012
Today's universe, galaxy types
Galaxy cluster Abell 370, HST image
Galaxy types 4 billion years ago
Galaxy types 11 billion years ago
Spiral galaxy
Seyfert galaxy
Active galaxy
Open star cluster NGC 265
Spiral galaxy NGC 4013
Lenticular galaxy NGC 2787
Spiral galaxy NGC 4622
Spiral galaxy NGC 1512
Spiral galaxy NGC 4603
Irregular galaxy NGC 7673
Emission nebula N11B
Light echoes from exploding star
Supernova remnant Cassiopeia A
Virgo Cluster, montage of 100 galaxies
Messier 85 galaxy, Hubble image
Galactic gravitational lensing, HST image
Messier 89 elliptical galaxy, Hubble image
Messier 49 elliptical galaxy, Hubble image
Messier 87 elliptical galaxy, Hubble image
Milky Way structure, all-sky WISE survey
Foreground for cosmic infrared background
Elliptical galaxy NGC 1316, HST image
Globular cluster M15
Globular cluster 47 Tucanae
Double star cluster
Starbirth nebula N81
Red Spider Planetary Nebula
Overlapping galaxies NGC 3314
Interacting galaxies
Interacting galaxies NGC 6745
Mice colliding galaxies
The Tadpole colliding galaxies
Quasar Markarian 205
Galaxy cluster, supercomputer simulation
Galaxy cluster
Abell 1795 galaxy cluster, X-ray image
Stephan's Quintet, composite image
Ultramassive black hole, composite image
Messier 4 globular cluster, Hubble image
Spiral galaxy NGC 2403, optical image
Cosmic infrared background, Spitzer image
Dark matter gravitational lensing
Phoenix galaxy cluster, Chandra and Hubble image
Galaxy cluster MACS J0717
Pulsar with tail, Chandra image
Whirlpool galaxy
Interacting galaxy NGC 5331
Interacting galaxy NGC 6670
Starburst galaxy NGC 1313
NGC 524 lenticular galaxy, HST image
Lenticular galaxy IC 335, Hubble image
D100 spiral galaxy with a tail of gas
Interacting spiral galaxy UGC 8335
Globular cluster NGC 1898, HST image
BATSE mission gamma ray burst map, 2000
Mira star and tail, ultraviolet image
Galaxy PGC 6240, Hubble image
Dwarf galaxy Leo IV, HST image
COSMOS region in Sextans, VISTA image
Shock waves from stellar gas jet HH-1/HH-2
HST image of the centre of the Crab Nebula
Reflection nebula
Swan nebula NGC 2264
Spirograph planetary nebula IC418
Ant planetary nebula
Supernova remnant LMC N 49
Crab nebula gas filaments
Gravitational microlensing, test of General Relativity
Galactic centre, X-ray image
Abell 1060 galaxy cluster
Klemola 44 galaxy cluster
First sky map from Gaia satellite
Spiral galaxy NGC 2403
Bullet cluster (1E 0657-56)
Galaxy morphology, Universe timeline
Spiral galaxy IC 342, optical image
Dwarf galaxy Holmberg IX
Pinwheel Galaxy, HST image
Colliding galaxy NGC 6240
Spiral galaxy M74
Spiral galaxy NGC 2397
Spiral galaxy NGC3949
Sagittarius Dwarf Irregular Galaxy
Elliptical galaxy NGC 1132
Spiral galaxy, Hubble image
Lenticular galaxy, Hubble image
Meathook Galaxy, composite image
Sculptor Galaxy, composite image
Arp 220 galaxy
Starburst galaxy, HST image
Soul Nebula, space telescope image
NGC 346 open cluster and nebula
NGC 1850 star cluster, composite image
Southern Pinwheel Galaxy, composite image
Barred spiral galaxy NGC 2903
Giant elliptical galaxy M87
Barred spiral galaxy NGC 1672
Ring galaxy AM 0644-741
Southern Pinwheel Galaxy, Hubble image
Barred spiral galaxy, Hubble image
Silver Needle Galaxy, HST image
Galaxy NGC 5866, Hubble image
Galaxy NGC 7049, HST image
Dwarf galaxy NGC 4449, HST image
Centaurus A radio galaxy, composite image
Spiral galaxy M81, composite image
Spiral galaxy NGC 2841, composite image
Spiral galaxy NGC 1073, HST image
Galaxy pair Arp 116, HST image
Spiral galaxy NGC 922, HST image
Active galaxy NGC 1275, HST image
Starburst galaxy NGC 1569, HST image
Sombrero galaxy (M104), HST image
Spiral galaxy NGC 5746, X-ray composite
Whirlpool galaxy (M51), composite image
Cigar galaxy (M82), composite image
Spiral galaxy M106, Hubble image
Spiral galaxy NGC 2683, Hubble image
Spiral galaxy NGC 3521, Hubble image
Spiral galaxy NGC 3521, optical image
Irregular galaxy NGC 4449, Hubble image
Spiral galaxy NGC 7331, optical 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
Galaxy ESO 376-16, HST image