Tags: Galaxy.
The Canis Major Dwarf Galaxy (CMa Dwarf) or Canis Major Overdensity (CMa Overdensity) is a disputed dwarf irregular galaxy in the Local Group located in the same part of the sky as the constellation Canis Major.The supposed small galaxy contains a relatively high percentage of red giant stars and is thought to contain an estimated one billion stars in all.The Canis Major Dwarf Galaxy is classified as an irregular galaxy and is now thought to be the closest neighbouring galaxy to our location in the Milky Way being located about 25000 light-years away from our Solar System and 42000 light-years from the Galactic Center.