Daily Archive: June 3, 2014

Abell 2151: the Hercules Cluster

Abell 2151: the galaxy cluster in Hercules

Suspended in space and time at 500 millions of light years from us, there are a couple of hundreds of galaxies, forming the Hercules Cluster, also known as Abell 2151.  It includes galaxies of any...


Get every new post on this blog delivered to your Inbox.

Join other followers: