How many constellations are there in the world? What are their names?

Ursa major, Dragon, Cassiopeia, Andromeda, Scorpion, Leopard, orpheus, Fox, Cygnus, Triangle, Little Lion, Perseus, Sagittarius, Northern Crown, Tmall, Sagittarius, Dolphin, Cancer, Aries, Gemini, Aquarius, Virgo, Leo, Taurus, Pisces and Capricorn Libra are underage.

Rhododendron Compass Tian Yanfei Fishes Longevity Arrow Fish Weir Dragonfly Aquarius Phoenix Aquarius Peacock Antarctic Xianhe Nanguan Sagittarius Compass Fistula Bojiang Sky Furnace Pumping Station Sculpture Station Grand Jue, Jackal, Pigeon, Crow, Southern Fish, Rabbit, Sextant Station India Southern Triangle Telescope Station Southern Cross Station Centauri Microscope Station

There are 12 zodiac signs: Aquarius, Pisces, Aries, Taurus, Gemini, Cancer, Lion, Virgo, Libra, Scorpio, Sagittarius and Capricorn.