Astrological sign of a sign are together sufficient to define it, they can be grouped to indicate their symbolism. The first four signs, Aries, Taurus, Gemini and Cancer, form the group of personal signs. The next four signs, Leo, Virgo, Libra and Scorpio form the group of interpersonal signs. The last four signs of the zodiac, Sagittarius, Capricorn, Aquarius and Pisces, form the group of transpersonal signs. Dane Rudhyar presented the tropical zodiac primary factors, used in the curriculum of the RASA School of Astrology. The tropical zodiac is the zodiac of seasonal factors as opposed to the sidereal zodiac (constellation factors).
Zodiac Aerospace years later it became "Société française des ballons dirigeables" ("French company of balloons and dirigibles"). In 1909, the name Zodiac (with an English spelling) appeared in the name "Société française de ballons dirigeables et d'aviation Zodiac" ("French company of balloons, dirigibles, and aviation, Zodiac"), followed in 1911 by "Société Zodiac, anciens Établissements aéronautiques Maurice Mallet" ("Zodiac Company, formerly Maurice Mallet aeronautical establishments"). In 1965, the company changed its name to "Zodiac". The name Zodiac is associated with the inflatable boats that were developed after the Second World War and made famous by the explorations of Jacques Cousteau and the experiences