Liber titulum habet ""Joannis De Sacrobosco: Sphaera (1647)"" et auctore De Sacrobusco, Johanne. Hic liber est de astronomia et tractat de sphaera mundi. In eo, auctor describit motus solis, lunae et planetarum, et explicat quomodo haec corpora moventur in sphaera. Auctor etiam tractat de signis zodiaci et eorum effectibus super homines et res terrenas. Libellus est scriptus in lingua Latina et editus anno 1647.This Book Is In Latin.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.