Stars come in constellations, globular clusters, dwarf galaxies and galaxies, to name a few groups. Seems like pretty mundane stuff, until something strange pops up. And in astronomy, something strange pops up quite a lot. The latest is the discovery of a remarkably dim cluster of stars orbiting outside the Milky Way. The cluster, called Muñoz 1, puts out as much light as just 120 Sun-like stars.
Cosmic Matters Blog
May 10, 2012