Leo (constellation) Leo (constellation) Leo is one of the constellations of the zodiac, lying between Cancer the crab to the west and Virgo the maiden to the east. Its name is Latin for lion, and to the ancient Greeks represented the Nemean Lion killed by the mythical Greek hero Heracles meaning 'Glory of Hera' (known to the ancient Romans as Hercules) as one of his twelve labors. Its symbol is (Unicode ♌). One of the 48 constellations described by the 2nd-century astronomer Ptolemy, Leo remains one of the 88 modern constellations today, and one of the most easily recognizable due to its
Hellenistic astrology around the late 2nd or early 1st century BCE after the Alexandrian conquests this Babylonian astrology was mixed with the Egyptian tradition of Decanic astrology to create horoscopic astrology. This system is labeled as "horoscopic astrology" because, unlike the previous traditions, it employed the use of the ascendant, otherwise known as the "horoskopos" ("hour marker") in Greek, and the twelve celestial houses which are derived from it. The focus on the natal chart of the individual, as derived from the position of the planets and stars at the time of birth, represents the most significant contribution and shift of emphasis