79.0 MB (79.0 MB compressed)
5500 x 5019 pixels
46.5 x 42.4 cm ⏐ 18.3 x 16.7 in (300dpi)
NASA / ESA / HUBBLE HERITAGE TEAM (STSCI / AURA) / SCIENCE PHOTO LIBRARY NASA / ESA / HUBBLE HERITAGE TEAM (STSCI / AURA) / SCIENCE PHOTO LIBRARY
Core of Omega Centauri globular cluster (NGC 5139), Hubble Space Telescope image. Globular clusters are spherical clusters of very old stars, about 12 billion years old, that are tightly bound by gravity and orbit a dense central core. This cluster is the largest globular star cluster found orbiting the Milky Way. This image shows an area 50 light years across and containing around 2 million stars. The entire cluster is 150 light years across and contains some 10 million stars. Omega Centauri is around 18,000 light years from Earth, in the constellation Centaurus. This image, based on optical and infrared light, was obtained in June 2002 with the Advanced Camera for Surveys.
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