41a:36 · The most common sign for the planet Uranus. This graph for Uranus is based on the letter H from the name of Sir William Herschel, who discovered this planet in 1781. The discovery of occurred at approximately the same time as the beginnings of one of the greatest upheavals in the present cycle of human civilization on our planet, the French Revolution. Before, the planetary system's outer limit, which had also marked the outer limit of the human life and the material existence, had been for many thousands of years , Saturn, Kronos.
    Before the French Revolution it was taken for granted that there existed a higher class of human beings, the aristocracy, appointed by God to rule over the lower classes. The discovery of this planet came as a shock, and not only for astronomers and astrologers (the latter did not recover until the twentieth century in the West). Even today, astrologers in India refuse to acknowledge the existence of the three outer planets.
    As a result Uranus has come to symbolize total and sudden change or upheaval, unpredictability, modern science, anarchy and the destruction of the established order.
    The planet Uranus is encircled by half a dozen moons. It distinguishes itself from the other planets in our system by the fact that its rotational axis lies almost parallel with the sun's equatorial plane. It is the third largest planet after and . Its volume would contain 50 earths, and it takes 84 years to orbit the sun.
    In esoteric astrology is related to the sexual mores of society. These mores are said to become almost antithetic after 42 years, that is, after half an orbit of .
    In the earlier astrological system was the ruler of Capricorn, , and Aquarius, . Nowadays is considered the ruling planet for Aquarius.
    Uranus is said to be badly placed in , Leo. According to astrological psychology those people who are powerfully influenced by for instance, by having several planets in , or having in close contact with either or are characterized by being highly individualistic and unwilling to be dominated by society's rules and conventions. They are also supposed to have a well-developed sixth sense, as well as high humanistic ideals. Thus they often work to better society and humankind.
    Physiologically rules the electric impulses in the nervous system.
    In mundane astrology Uranus rules over astrologers, occultists, inventors, and those who are connected to aviation, spacecraft, electronics, and modern scientific breakthroughs. Such things as computers, electronics, and space technology are all ruled by this planet.
    The keywords for are: (1) intuition, inspiration, "the sixth sense"; (2) the breaking of old ideologies, ideas, and structures; (3) bohemians, hippies, dropouts, and anarchists; (4) revolution and humanism; and (5) energy that is directed toward attaining higher consciousness.
    The planet Uranus is also drawn , and .
    The sign is sometimes used as a military sign to denote a howitzer, a heavy long-range gun or cannon.