Anne’s Image of the Day: The Double Cluster
By Annelies Rhemrev
October 16, 2012
The Double Cluster, two open star clusters in Perseus
Image Credit & Copyright: Roth Ritter, Dark Atmospheres Astrophotography (http://www.darkatmospheres.com/astro)
For a larger image click here.
The [...]
Surprise: Two Black Holes in One Globular Star Cluster
By Annelies Rhemrev
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 [...]