Samizdat

“The contents of the fifth tablet introduce us to a side of Babylonian religion which occupied an important and prominent position, at all events in the official cult. At the beginning of the present century, writers upon the ancient East were fond of enlarging upon a Sabaistic system of faith which they supposed had once been the dominant form of religion in Western Asia.

The accompanying illustration, which is reproduced from the Boundary Stone of Ritti-Marduk (Brit. Mus., No. 90,858), supplies much information about the symbols of the gods, and of the Signs of the Zodiac in the reign of Nebuchadnezzar I, King of Babylon, about 1120 B.C..
Thus in Register 1, we have the Star of Ishtar, the crescent of the Moon-god Sin, and the disk of Shamash the Sun-god.
In Reg. 2 are three stands (?) surmounted by tiaras, which represent the gods Anu, Enlil (Bel) and Ea respectively.
In Reg. 3 are three altars (?) or shrines (?) with a monster in Nos. 1 and 2. Over the first is the lance of Marduk, over the second the mason’s square of Nabû, and over the third is the symbol of the goddess Ninkharsag, the Creatress.
In Reg. 4 are a standard with an animal’s head, a sign of Ea; a two-headed snake = the Twins; an unknown symbol with a horse’s head, and a bird, representative of Shuḳamuna and Shumalia.
In Reg. 5 are a seated figure of the goddess Gula and the Scorpion-man; and in Reg. 6 are forked lightning, symbol of Adad, above a bull, the Tortoise, symbol of Ea (?), the Scorpion of the goddess Ishkhara, and the Lamp of Nusku, the Fire-god.
Down the left-hand side is the serpent-god representing the constellation of the Hydra.
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http://sacred-texts.com/ane/blc/blc07.htm

 Star-worship was imagined to be the most primitive phase of Oriental religion, and the reference to it in the book of Job was eagerly seized upon as an evidence of the antiquity of the book. Dupuis resolved all human forms of faith into Zodiacal symbols, and Sir William Drummond went far in the same direction. That the first gods of the heathen were the planets and stars of heaven, was regarded by high authorities as an incontrovertible fact.

The plains of Shinar were held to be the earliest home of this Sabaism or star-worship. The astronomy and astrology of Babylonia had been celebrated even by Greek and Latin authors, and scholars were inclined to see in the “Chaldaean shepherds” the first observers of the heavens.

The “astrologers, the star-gazers, the monthly prognosticators” of Babylon, are enumerated in the Old Testament (Isaiah xlvii. 13); and the small cylinders brought by travelers from Bagdad, with their frequent representations of a star or sun, seemed to leave no doubt that the deities of Babylonia were in truth the heavenly bodies. The decipherment of the cuneiform inscriptions has shown that the belief in Babylonian “Sabaism” was, after all, not altogether a chimera.

Babylonia was really the cradle of astronomical observations. Long before the lofty zigurrâti or “towers” of the temples were reared, where the royal astronomers had their stations and from whence they sent their reports to the king, the leading groups of stars had been named, a calendar had been formed, and the eclipses of the sun and moon had been noted and recorded.

The annual path of the sun through the sky had been divided into twelve sections, like the twelve kasbu or double hours of the day, and each section had been distinguished by its chief constellation or star. It was thus that the Zodiac first came into existence.

The names given to its constellations are not only Accadian, but they also go back to the totemistic age of Accadian faith. The first sign, the first constellation, was that of “the directing bull,” so named from the solar bull who at the vernal equinox began to plough his straight furrow through the sky, directing thereby the course of the year.

The last sign but one was “the fish of Ea;” while midway between the two, presiding over the month whose name was derived from its “facing the foundation” or “beginning” of the year, was the great star of the Scorpion.

The fact that the year thus began with Taurus proves the antiquity of the Chaldean Zodiac, and of the months of thirty days which corresponded to its several signs. From about B.C. 2500 and onwards, the precession of the equinoxes caused Aries, and not Taurus, to be the asterism into which the sun entered at spring-time; the period when Taurus ushered in the year reached back from that date to about B.C. 4700.

The Zodiacal circle may therefore have been invented nearly a thousand years before Sargon of Accad was born; and that it was invented at an early epoch is demonstrated by its close connection with the Accadian calendar.”

A.H. Sayce, Lectures on the Origin and Growth of Religion as Illustrated by the Religion of the Ancient Babylonians, 5th ed., London, 1898, pp. 396-8.