2 ms·

The main one is the outrigger canoe, but celestial navigation must have taken a while to master too. The earliest examples of astronomy come way later than 4000

• catalogia 6y ago
  This sort of astronomy used eyeballs and oral tradition. What archeological traces would that leave?
  • ncmncm 6y ago
    It has left traces in stoneworks all over the world. But many of them may be old enough; usually we have no way to discover how old one is.