Abel 1689, one of the most massive galaxy clusters known

The galaxy cluster Abell S0740, about 450 million light-years from planet Earth near the constellation Centaurus

Visible wide-field image of the Andromeda galaxy (Messier 31)

Antennae galaxies or NGC 4038, 4039

The Cartwheel galaxy, composite image by HST, Spitzer, GALEX and Chandra. Lenticular galaxy in Sculptor at 500 ly

The star field around Messier 101 (NGC 5457), the Pinwheel Galaxy in Ursa Major

Pinwheel galaxy (M101), the largest and most detailed photo of a spiral galaxy ever taken with the HST

The Andromeda galaxy (Messier 31), composite image in multi-wavelenght bands

The Triangulum Galaxy (Messier 33 or NGC 598) is a spiral galaxy in the constellation Triangulum

Whirlpool galaxy, or Messier 51 (NGC 5194) in Canes Venatici, the companion is NGC 5195

The spiral galaxy Messier 81 in the constellation Ursa Major at 11.8 million light-years

Another view of Messier 81

The starburst galaxy Messier 82, also known as Cigar galaxy

The spiral galaxy NGC 1309 lies on the banks of the constellation Eridanus, some 100 million light-years distant

The spiral galaxy NGC 1350, lies about 85 million light-years distant in the constellation Fornax

NGC 2207, two colliding spiral galaxies in the direction of Canis Major

NGC 3314, superposition of galaxies at 40 million light-years from Earth in the direction of Hydra

Spiral galaxy NGC 4414, about 60 million light-years in Coma Berenices

The lenticular edge-on galaxy NGC 5866, lies about 44 million light years toward Draco

Stephan's Quintet, a cluster of five galaxies located about 300 million light-years away in the constellation Pegasus

The Ring galaxy (AM 0644-741) lies about 300 million light years away

Infrared image of the Sombrero Galaxy, made with the Spitzer telescope

The Sombrero galaxy, (Messier 104), located 28 million ly in Virgo

Tadpole Galaxy (Arp 188 or UGC 10214), at 420 million light-years away in Draco

The Leo Triplet: NGC 3628 (top), M66 (bottom left), and M65 (bottom right). All three are large spiral galaxies