The core of the globular cluster Omega Centauri.

Spiral galaxy NGC 4911 located deep within the Coma Cluster of galaxies.

Elliptical galaxy NGC 1316.

M51, also known as NGC 5194

Star formation in the Tarantula Nebula.

Giant Elliptical Galaxy and its Host Galaxy Cluster.

A galactic light show in spiral galaxy NGC 4258.

The view from the vicinity of a hypothetical terrestrial planet and moon orbiting a red dwarf star.

A stellar nursery known as R136 in the 30 Doradus Nebula.

Three newly-discovered streams arcing high over the Milky Way Galaxy.

The Rho Ophiuchi cloud complex.

Infrared view of the Carina Nebula.

Globular cluster M22 in the constellation Sagittarius.

47 Tucanae (NGC104), Globular Cluster in Tucana

Messier 13, the Great Globular Cluster in Hercules.

The Double Cluster, NGC 884 and NGC 869.

Messier 15, globular cluster in the constellation Pegasus.

NGC 2244, the open cluster within the Rosette Nebula.

NGC 2264

Messier 53, globular cluster in the Coma Berenices constellation.

Open cluster NGC 7789 in the constellation Cassiopeia.

Double Cluster in Perseus (NGC 869 and NGC 884).

The Wild Duck Cluster, also known as NGC 6705.

NGC 6520, an open cluster in the constellation Sagittarius.

Illustration of a globular cluster over the terrain of a barren planet.

The Milky Way and the other members of our Local Group of galaxies.

Astronaut floating in deep space with an Earth-like planet in background.

Astronaut floating in deep space with an Earth-like planet in background.

Globular star cluster NGC 6093.