1. what is the location of the zodiac constellations in the sky?

Northern are located in the eastern celestial hemisphere while the southern are found in the west.

Explanation:

The Zodiac constellations are those that are found along the plane of eclipses or the apparent path of the sun which is defined by a circular path to the sky. There are 12 constellation sin zodiac families like the northern are Pisces, Aries, Taurus, Gemini, Cancer, and Leo. The southern constellations are Virgo, Libra, Scorpius, Sagittarius, Capricorn, and Aquarius. Sun is supposed to enter these signs on the first day of spring autumn and winter respectively. The largest of these constellations is vigor that covers about 1294.43 square degrees of the northern sky.