Ancient Hebrew writings the Tannaim (rabbis cited in the Mishnah), the spoken vernacular of Jews in Judaea was a late form of Hebrew known as Rabbinic or Mishnaic Hebrew, whereas during the period of the Amoraim (rabbis cited in the Gemara), which began around 200 CE, the spoken vernacular was Aramaic. Hebrew continued to be used for the writing of religious texts, poetry, and so forth. There are significant differences between the two Talmud compilations. The language of the Jerusalem Talmud is a Western Aramaic dialect, which differs from the form of Aramaic in the Babylonian Talmud. The Jerusalem Talmud is often fragmentary
Hebrew astronomy Hebrew astronomy Hebrew astronomy refers to any astronomy written in Hebrew or by Hebrew speakers, or translated into Hebrew. It also includes an unusual type of literature from the Middle Ages: works written in Arabic but transcribed in the Hebrew alphabet. It includes a range of genres from the earliest astronomy and cosmology contained in the Bible, mainly the Tanakh (Hebrew Bible or "Old Testament"), to Jewish religious works like the Talmud and very technical works. Some Persian and Arabian traditions ascribe the invention of astronomy to Adam, Seth and Enoch. Some scholars suggest that the signs of the zodiac,