wichita.edu
…as the most straightforward explanation, capable of elucidating various aspects such as celestial motions, distances, appearances, comet trajectories, altitudes, the birth of new stars, and the entire array of phenomena associated with celestial bodies. Mersennus substantiates his perspective in the referenced passage, marshaling evidence from optics,…
https://www.wichita.edu/academics/fairmount_las/geology/wparcell/Kircher/IterII/IterExI_Appendix.php