Evidence+of+Astronomical+Discoveries

-First signs that Native Americans skywatched, were from rocks and bones which had scratches corrisponding to the Lunar Cycles. -Medicine Wheels were flat stone structures layed down on the ground by Native Americans for various astronomical purposes.
 * Some tribes named the cycles, such as "The laying goose" and "The coming caribou"
 * One of the teachings from the Medicine Wheel was the four cardinal directions