Again, there be-those who, dissecting the science into parts, have made different discoveries, some collecting the particulars of the moon, some those of Jupiter, and some those of the sun, concerning their course and motion and potency.

So Endymion established the motions of the moon,

We are indebted to Germanicus, in his commentary on Aratus, for the information that Mnaseas of Sicyon credited Endymion with the discovery of the course of the moon. Having found the key to the flight-legends, it was easy for Lucian to supply a pendant to Endymion in Phaethon.