Alfonsine Tables
Also spelled Alphonsine Tables the first set of astronomical tables prepared in Christian Europe. They enabled calculation of eclipses and the positions of the planets for any given time based on the Ptolemaic theory, which assumed that the Earth was at the centre of the universe. The introduction states that the work was prepared in Toledo, Spain, for King Alfonso X of León and Castile under the
posted by SuddenCat @ 8:21 AM
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