As I noted there, it is not correct to say that the "mystical Hellenistic-Byzantine Jewish tradition" represented by these synagogue mosaics left no literature. Read my post for details. And for some additional astrology-related ancient Jewish literature (among the Dead Sea Scrolls), see here and links.
Subsequent PaleoJudaica posts on the ancient zodiac synagogue mosaics are here, here, and here and links. The Helios mosaic at Huqoq was discovered after the BAR/BHD article was published.
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