UraniaUrania (jʊəˈreɪniə ; Ouranía; modern Greek shortened name Ράνια Ránia; meaning "heavenly" or "of heaven") was, in Greek mythology, the muse of astronomy and astrology. Urania is the goddess of astronomy and stars, her attributes being the globe and compass. The muse Urania is sometimes confounded with Aphrodite Urania ("heavenly Aphrodite") because of their similar name. Urania was the daughter of Zeus by Mnemosyne and also a great-granddaughter of Uranus.
ThunderboltA thunderbolt or lightning bolt is a symbolic representation of lightning when accompanied by a loud thunderclap. In Indo-European mythology, the thunderbolt was identified with the 'Sky Father'; this association is also found in later Hellenic representations of Zeus and Vedic descriptions of the vajra wielded by the god Indra. It may have been a symbol of cosmic order, as expressed in the fragment from Heraclitus describing "the Thunderbolt that steers the course of all things".
PolyhymniaPolyhymnia (pɒliˈhɪmniə; Πολυύμνια), alternatively Polymnia (Πολύμνια), was, in Greek mythology, the Muse of sacred poetry, sacred hymn, dance and eloquence, as well as agriculture and pantomime. Polyhymnia name comes from the Greek words "poly", meaning "many", and "hymnos", which means "praise". Polymnia is depicted as very serious, pensive and meditative, and often holding a finger to her mouth, dressed in a long cloak and veil and resting her elbow on a pillar. Polyhymnia is also sometimes credited as being the Muse of geometry and meditation.
