Naked-eye astronomy had an important place in ancient civilizations

• Positional astronomy

  • the study of the positions of objects in the sky and how these positions change

• Naked-eye astronomy

  • the sort that requires no equipment but human vision

• Extends far back in time

  • British Isles Stonehenge
  • Native American Medicine Wheel
  • Aztec, Mayan and Incan temples
  • Egyptian pyramids