... X ray Echoes from Circinus X 1 . ... Virgo Cluster Galaxies . ... Well over a thousand galaxies are known members of the Virgo Cluster, the closest large cluster of galaxies to our own local group. ... Tonight's Full Moon, the second Full Moon in July, could be called a blue moon according to modern folklore. But this sharp and detailed mosaic, recorded with telescope and digital camera just before July's first Full Moon, actually does show a colorful lunar surface. ... First page ] Prev. ...