What constellation is 6 18? Which constellation does 6 18 refer to?

2. The twelve constellations, the zodiac signs, are the twelve regions where the sun passes through the zodiac on the celestial sphere, including Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces and Ophiuchus. 1928 After the International Astronomical Union unified the constellation boundaries, the yellow constellation was also adopted.