This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
SacroboscoBrdetail. Picture from edition of De sphaera mundi On the Sphere of the World The most influential astronomy textbook of the th century Adapted from Image SacroboscoBr PDArt De sphaera mundi Medieval astronomy Medieval diagrams Spherical Earth Artworks missing infobox template
Page 2023 Free-images.com. All images are Public Domain