'Ghost' Dwarf Galaxy Found Hiding at the Edge of the Milky Way

An international team of astronomers can't fully explain the “ghost” galaxy that they discovered about 130,000 light-years from the edge of the Milky Way.Finding a GhostThis galaxy, named Antlia 2 (or Ant 2), is described as a “ghost” because of how strangely dim it is. Ant 2 is rather large for a dwarf galaxy - it's about the same size as the 7,000 light-year-wide Large Magellanic Cloud (LMC), which is the Milky Way's largest satellite galaxy. Yet it'