155. On the G tablet the reading could have changed from heliacal on side a to nakshatra on side b, we should remember, and it is quite possible a similar change - although opposite in direction - was intended to be understood by readers of the egg-formed (Mamari) C tablet:
Algenib Persei could have been regarded as a place close to the Full Moon in Roman times:
Number play could then have compared the difference between 395 and 364 + 23 with the 8 invisible nights of Venus before she would return as Morning Star at the horizon in the east (marking the arrival of the Sun and daytime).
At the time of rongorongo Algenib Persei rose with the Sun 50 days after 0h, which was the same number of nights as when Venus was invisible before returning as Evening Star (at the horizon in the west).
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