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Supertopics:
Medieval England / Middle Ages
Cosmology and Astronomy Miscellany
Science History 2014 through 2019
Miscellaneous Myths 2011 through 2016

humans have known Earth is round for 5000 years      web

webhttp://www.newsweek.com/even-middle-ages-people-didnt-think-earth-was-flat-420775
authorDouglas Main
publicationNewsweek
date2016-01-28

Subtopics:
how the ancient Greeks knew that the Earth is not flat
webCarl SaganYouTube

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