Nazca REVELATION: How ancient Incas used ASTRONOMICAL knowledge in major breakthrough ASTRONOMICAL knowledge was used by the Incas to identify solstices, seasonal changes, and the best time for sowing and harvesting, resulting in the ancient civilisation becoming the largest empire in the western hemisphere. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Lyrids Meteor Shower 2018: Where and how to watch Lyrids Meteor Shower this weekendLIFE AFTER DEATH: Woman can now speak to the dead following near death experienceLyrid meteor shower: What time will it peak? What to expectTrilobites: What a Scientist Learned From Studying the ‘Synchronized Swimming of Sea Monkeys’Vanuatu volcano eruption to cause residents to leave island PERMANENTLYGlobal Health: Ethicists Call for More Scrutiny of ‘Human-Challenge’ Trials