1021년1 태양 폭풍, 나이테를 통해 북아메리카에 바이킹이 정착한 시기를 1021년으로 확인함 http://www.theguardian.com/science/2021/oct/20/vikings-settled-north-america-1000-years-ago-solar-storm?fbclid=IwAR1GskBaQ57xLocbVETE2UpChE4NjTUcj8NNl64Zu4KpgO2dVT8uS1Pt-1g Solar storm confirms Vikings settled in North America exactly 1,000 years ago Analysis of wood from timber-framed buildings in Newfoundland shows Norse-built settlement 471 years before Columbus www.theguardian.com 네이처 저널에 발표.. 2021. 11. 17. 이전 1 다음
