M45: The Pleiades Star Cluster
This picture is of the Pleiades, a star cluster that can be seen in the Taurus constellation. The Pleiades are one of the brightest star clusters that can be seen in the night sky, and contain over 3000 stars. The star cluster is also one of the closest to earth, lying just 400 lightyears away from earth. This star cluster is also relatively small, stretching 13 light years across.