Pleiades (Greek mythology) Hesperides, nymphs of the morning star. After Atlas was forced to carry the heavens on his shoulders, Orion began to pursue all of the Pleiades, and Zeus transformed them first into doves, and then into stars to comfort their father. The constellation of Orion is said to still pursue them across the night sky. One of the most memorable myths involving the Pleiades is the story of how these sisters literally became stars, their "catasterism". According to some versions of the tale, all seven sisters committed suicide because they were so saddened by either the fate of their father, Atlas,
On the Heavens some value to the king. On the Heavens On the Heavens (Greek: Περὶ οὐρανοῦ; Latin: "De Caelo" or "De Caelo et Mundo") is Aristotle's chief cosmological treatise: written in 350 BC it contains his astronomical theory and his ideas on the concrete workings of the terrestrial world. It should not be confused with the spurious work "On the Universe" ("De mundo", also known as "On the Cosmos"). According to Aristotle in On the Heavens, the heavenly bodies are the most perfect realities, (or "substances"), whose motions are ruled by principles other than those of bodies in the sublunary sphere. The