The word "planet" comes from the Greek meaning wanderer. There are 8 planets and at least five dwarf planets in our solar system. In astrology, each planet has its own personality and affect on individuals and societies based on its location in an astrological chart.
Planets were first recorded and studied in ancient Babylon and the oldest surviving astronomical text is the Venus tablet of Ammisaduqa written in the 7th century BCE. The Enuma anu enlil, written during the Neo Assyrian period of the 7th century BCE details various omens, including the movements of the planets and what they presaged. This, and similar ideas, may be the roots of modern astrology. At this time, only five planets were as yet identified.
For the purposes of astrology, the moon and sun are also identified as planets.
