Leo (constellation) Babylonian astronomy, the constellation was called UR.GU.LA, the "Great Lion"; the bright star Regulus was known as "the star that stands at the Lion's breast." Regulus also had distinctly regal associations, as it was known as the King Star. In Greek mythology, Leo was identified as the Nemean Lion which was killed by Heracles (Hercules to the Romans) during the first of his twelve labours. The Nemean Lion would take women as hostages to its lair in a cave, luring warriors from nearby towns to save the damsel in distress, to their misfortune. The Lion was impervious to any weaponry;
Jewish views on astrology "Away with your astrology; for Israel there is no "mazal" ("luck", literally "planet" or "constellation")!" The birth of his second son, the patriarch Isaac, then gives lie to the idea that astrology is valid. (BT Shabbat 156a). Midrash Genesis Rabbah states that Abraham was not an astrologer, but rather a prophet, inasmuch as only those beneath the stars could be subject to their influence; but that Abraham was above them (Genesis Rabbah xliv. 12). In general, many people quoted in the Talmud believed that in theory astrology had merit as some kind of science, but they were skeptical that astrological