Related terms:
flat earth
mappa mundi
opposite side of the earth
idea of a spherical earth
earth is spherical
sphericity of the earth
circumference of the earth
antipodal point
clime
posidonius
greek astronomy
pingree
isidore of seville
latitude and longitude
eratosthenes
opposite side
biruni
columbus brothers
chord length
between points
surrounded by water
size of the earth
governor of the indies
per degree
santa maria la
geographical coordinates
Wikipedia sources:
Flat Earth
Spherical Earth
Great-circle distance
Antipodes
Geographical distance
History of cartography
T and O map
Counter-Earth
Science and the Bible
History of geodesy
Voyages of Christopher Columbus
Context for words:
spherical
earth
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