Christiani Hugenii Kosmotheoros, Sive De Terris Coelestibus, Earumque Ornatu, Conjecturae (1698)

Focusing on the celestial system, Huygens explores planetary motion and the nature of fixed stars, comets, and nebulae in this significant 17th-century work. He presents innovative conjectures that contribute to the field of astronomy, making it a notable text in the history of the discipline. The book remains influential and is studied by many today, reflecting its enduring importance in scientific literature. A facsimile reprint, it aims to preserve this culturally significant work for future generations.