Cluster of 10 million stars: Part of Milky Way or its own galaxy?

Cluster of 10 million stars: Part of Milky Way or its own galaxy?

[FOR HIGH RESOLUTION CLICK ON IMAGE,CEDIC Team, Processing – Christoph Kaltseis] Globular star cluster Omega Centauri, also known as NGC 5139, is some 15,000 light-years away. The cluster is packed with about 10 million stars much older than the Sun within a volume about 150 light-years in diameter, the largest and brightest of 200 or […]