section_path: Culture/Religion/Cosmology
section_name: Cosmology
paragraph_text: Cosmology
  
  Sumerians believed that the universe consisted of a flat disk enclosed by a dome. The Sumerian afterlife involved a descent into a gloomy netherworld to spend eternity in a wretched existence as a Gidim (ghost).
  
  The universe was divided into four quarters:
  
  Their known world extended from The Upper Sea or Mediterranean coastline, to The Lower Sea, the Persian Gulf and the land of Meluhha (probably the Indus Valley) and Magan (Oman), famed for its copper ores.