Back كروية الأرض Arabic Terra esfèrica Catalan Erdkrümmung German Tierra esférica Spanish زمین کروی Persian מודל הארץ ככדור HE गोलाकार पृथ्वी Hindi Գնդաձեւ Երկիր մոլորակը HYW Bumi yang bulat ID Sfericità della Terra Italian
Spherical Earth or Earth's curvature refers to the approximation of the figure of the Earth as a sphere. The concept of a spherical Earth gradually displaced earlier beliefs in a flat Earth during classical antiquity and the Middle Ages. The figure of the Earth is more accurately described as an ellipsoid, which was realized in the early modern period.
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