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,
Ultimate fate of the universe continue to expand forever. Factors that need to be considered in determining the universe's origin and ultimate fate include: the average motions of galaxies, the shape and structure of the universe, and the amount of dark matter and dark energy that the universe contains. It is possible that the destruction of the universe may entail the complete cessation of time and reality. The theoretical scientific exploration of the ultimate fate of the universe became possible with Albert Einstein's 1915 theory of general relativity. General relativity can be employed to describe the universe on the largest possible scale. There are many