M55     Globular Cluster in Sagittarius (NGC 6809)

        Object type:             Globular Star Cluster

        Distance from Earth:      20,000 light years / 6100 parsecs


        This cluster is of moderate size and luminosity.  Its reddish 
        color is from the red giants that have slowly run out of fuel.
        The formation of stars in globular clusters ended billions of
        years ago.