ocr: TOWARDS MODERN WORLD VIEW GALAXY GROUPS Galaxies form groups ofa few dozens. The group that our Milky Way belongs to is called the Local Group. Other galaxies in the Local Group include Andromeda Galaxy (M31), M33 of the constellation Triangle, and about 30 smaller galaxies. Groups containing dozens, even hundreds, of 9 galaxies are called clusters of galaxies. We are a part of the Virgo cluster. Its centre is 50 million light-yedrs away and its diameter is 100 million light-years. There are also superclusters which may contain thou- sands of galaxies. The supercluster we are a part ofis calle ...