Whirlpool galaxy, X-ray image
Whirlpool Galaxy
Whirlpool galaxy (M51), composite image
Hydra galaxy, X-ray image
M94 spiral galaxy
M51 Whirlpool Galaxy
Whirlpool galaxy
Whirlpool Galaxy, optical image
Whirlpool galaxy (M51)
Whirlpool Galaxy, 19th century
Sunflower Galaxy, optical image
M51 Whirlpool Galaxy, optical image
Optical CCD image of the spiral galaxy M94
Spiral galaxy NGC 4631
Galaxy M106
Seyfert galaxy
Galaxy and Moon
X-ray of black hole
Pinwheel Galaxy
Andromeda galaxy, optical image
Andromeda galaxy, ultraviolet image
Spiral galaxy NGC 7331
Andromeda galaxy
Spiral galaxy NGC 4565
Spiral galaxy NGC 6946
Optical photograph of the Andromeda galaxy (M31)
CCD optical image of the Andromeda galaxy, M31
Whirlpool galaxy, visible light and infrared views
NGC 4697, X-ray image
Distant galaxy HUDF-JD2, HST-SST image
Artwork showing our galaxy the Milky Way
Starry sky: Andromeda region, including M31
Spiral galaxy NGC 2403
Spiral galaxy M106, composite image
Halo around galaxy NGC 4631
Spiral galaxy
Andromeda Galaxy
Spiral galaxy IC 342, optical image
Abell 1689 galaxy cluster, X-ray image
Galaxy classes
Spiral galaxy M81, UV image
Galaxy NGC 3486
Galaxy NGC 891
Andromeda Galaxy, optical image
Galaxy cluster collision, X-ray image
Spiral galaxy ESO 137-001, composite
Sunflower galaxy
Galaxy cluster, supercomputer simulation
Sunflower galaxy (M63)
Messier 106 spiral galaxy, Hubble image
Messier 63 Sunflower galaxy, Hubble image
Spiral galaxy Messier 106 in Canes Venatici
Spiral galaxy M106, Hubble image
Spiral galaxy NGC 5364
Andromeda galaxy (M31)
Halo stars in Andromeda Galaxy
Colliding galaxies, space telescope image
Andromeda Galaxy (M31, NGC 224)
Comet Ikeya-Zhang & Andromeda Galaxy, optical
Velocity-coded radio map of the Andromeda Galaxy
Fireworks Galaxy, optical image
Spiral galaxy NGC 4244
Spiral galaxy NGC 300, optical image
Galaxy NGC 4945, optical image
Barred spiral galaxy M109
Starfield
Andromeda starfield
NGC 6872 colliding galaxies, composite
Spiral galaxy IC 342, NuSTAR X-ray image
Dwarf spiral galaxy NGC 6503
Supernova remnant Cassiopeia A
Supernova remnant Cassiopeia A, X-ray
Active galaxy Markarian 817, HST image
Spiral galaxy NGC 4013
Spiral galaxy NGC 1512
Spiral galaxy M81
Spiral galaxy M83
Galaxy cluster MS0735.6+7421
Galaxy over Los Angeles, USA
Great Barred Spiral Galaxy, optical image
Spiral galaxy NGC 2403, optical image
Drawing of Galaxy M51 made by John Herschel
Optical image of Cassiopeia and Andromeda
Quasar Markarian 205
Intermediate mass black hole
X-ray sources in M74, Chandra image
Galaxy NGC 3783, composite image
Variable binary star
Galaxy cluster Abell 2125
Galaxy cluster SDSS J0333+0651, HST image
Antennae galaxies
Pillars of Creation
Spiral galaxy M74
Spiral galaxy NGC 4603
Hubble Ultra Deep Field
GOODS South Field, ultraviolet coverage
North Galactic Pole, SPIRE image
North Galactic Pole, PACS image
James Webb Space Telescope first deep field image
Young galaxy lensed by cluster Abell 383
False-colour radio map of spiral galaxy M83
Andromeda constellation, optical image
Andromeda Galaxy, composite image
Spiral galaxy NGC 3627, composite image
Galaxy collision model
Andromeda Galaxy core, Hubble image
Barred spiral galaxy NGC 1530
Gas from the Cartwheel galaxy, x-ray image
Triangulum Galaxy
Spiral galaxy NGC 253
Galaxy cluster Abell 1060
Sagittarius A* black hole, NuSTAR image
Pulsar with tail, Chandra image
Dark matter, conceptual image
Dark matter distribution
Abell 194 galaxy cluster
Optical image of the Fornax dwarf galaxy
Coma galaxy cluster (Abell 1656)
Hercules galaxy cluster (Abell 2151)
Perseus galaxy cluster (Abell 426)
Hubble eXtreme Deep Field
Hubble Ultra Deep Field, ultraviolet coverage
GOODS North Field, ultraviolet coverage
Milky Way structure, all-sky WISE survey
Cosmic and galactic microwave background
Artwork of a barred spiral galaxy
Hickson Compact Group 44 galaxy cluster
Centaurus A galaxy, X-ray image
Whirlpool Galaxy, composite radio image
Beta Ceti star
Silver Streak galaxy
Galactic centre, X-ray image
Arp 116 galaxy pair, Hubble image
Spiral galaxy M100
Andromeda Galaxy, UV image
Triangulum galaxy (M33)
NGC 4151 galaxy core, composite image
Interacting spiral galaxy UGC 8335
Alkaid and whirlpool galaxy
Messier 100 spiral galaxy, Hubble image
Messier 83 spiral galaxy, Hubble image
Spiral galaxy NGC 1365, HAWK-I image
Spiral galaxy NGC 922, HST image
Spiral galaxy NGC 1566, infrared image
Spiral galaxy NGC 2976, infrared image
Spiral galaxy NGC 1637, VLT image
Bode's Galaxy (M81), optical image
Spiral galaxy NGC 6949, optical image
3C58 supernova remnant
渦状銀河(NASA提供)
Pandora's cluster, composite image
Sirius double star, X-ray image
Black hole
Variable stars
Cataclysmic variable star system, artwork
Big Bang and early galaxies
NGC 1068 galaxy, composite image
Spiral galaxy IC 1936
Interacting galaxies
NGC 4395 galaxy, optical image
Galaxy M 83 in Hydra
Milky Way