Flat Earth

archaic conception of the Earth's shape

misconception that Europeans in Middle Ages believed in flat Earth

geography work by Cosmas Indicopleustes (c. 550)

with members all over the globe believing our planet is flat

expression of the problem of infinite regress

2018 documentary film by Daniel J. Clark

series of observations carried out along a six-mile length of the Old Bedford River in an attempt to determine the shape of the Earth