what is the planet that rules leo
Leo Ruling Planet. The fiery spirit of Leos is the result of the domination of their ruling planet, Sun. As per astronomy; Sun is a star, not a planet. However, as far as astrology is concerned, it is deemed to be a planet, that too the ruling planet of Leo sun sign. It is believed to have been named after Apollo, the Roman Sun God. Sun lends an energetic, lively and forceful personality to the individuals born under the Leo zodiac.
The Sun represents the Self, one's way of being in the world. It can represent, on different levels, both the ego and the higher Self or soul purpose. It rules Leo and is exalted in Aries. The Sun is the most important 'planet' in the chart and symbolizes one's will and sense of vitality.