redeo

Quid est ergo cur aliqua redire videantur? Solis occursus speciem illis tarditatis imponit et natura viarum circulorumque sic positorum ut certo tempore intuentes fallant;

‘What is the reason, then, that some celestial bodies appear to move backward? The encounter with the sun imposes upon them the appearance of slowness, as well as the nature of their paths and their orbits which are so placed that at a fixed period they deceive observers.’

of celestial objects

postquam omnis caeli species, redeuntibus astris, percepta, in proprias sedes, et reddita certis fatorum ordinibus sua cuique potentia formae, er varios usus artem experientia fecit exemplo monstrante viam

‘After every aspect of the sky had been observed, as the stars returned to their original positions, and each figuration had assigned to it its powers of influence in accordance with the sure cycles of destiny, by repeated practice and with examples pointing the way experience built up the science;’

of eclipses

Defectus CCXXIII mensibus redire in suos orbis certum est, solis defectus non nisi novissima primave fieri luna, quod vocant coitum, lunae autem non nisi plena, semperque citra quam proxime fuerint;

‘It is certain that eclipses recur in cycles of 223 months—eclipses of the sun only when the moon is in her last or first phase (this is called their ‘conjunction’), eclipses of the moon only at full moon—and always within the period of their last occurrence;’