Nominally the beginning Df the rise of the Nile, was the beginning of the year, and as the ile commences to rise very regularly at about the date of the annual heliacal rising of the conspicuous dog-star Sothis (Sirius (which itself follows extremely closely the slow retrogression af the Julian year), the primitive astronomers found in the heliacal rising of Sothis as observed at Memphis (on.

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Noun[edit]

retrogression (countable and uncountable, pluralretrogressions)

1. A deterioration or decline to a previous state.
   • 1849, Hogg's Weekly Instructor (page 388)

     History and experience, the enshriners of the past, and investigation, the discoverer of the present and preparer for the future, will prevent retrogression.

   • 1908, The Three Initiates, The Kybalion: Hermetic Philosophy‎^[1]:

     Suns spring into being, and then their height of power being reached, the process of retrogression begins, and after aeons they become dead masses of matter, awaiting another impulse which starts again their inner energies into activity and a new solar life cycle is begun.

2. (biology) A return to a less complex condition.

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