okt 042012
Surprise: Two Black Holes in One Globular Star Cluster

  An unexpected discovery by an international team of astronomers is forcing scientists to rethink their understanding of the environment in globular star clusters, tight-knit collections containing hundreds of thousands of stars. Two black holes in a globular star cluster. Image Credit: The University of Southampton The astronomers, including Dr Tom Maccarone from the University of [continue reading]