The ecliptic is the apparent path of the Sun in the sky over the course of a year. It is tilted at an angle of about 23.4 degrees to the Earth's equator, and it intersects the celestial equator at two points: the vernal equinox and the autumnal equinox.

The ecliptic passes through the following 13 constellations:

* Aries

* Taurus

* Gemini

* Cancer

* Leo

* Virgo

* Libra

* Scorpius

* Sagittarius

* Capricornus

* Aquarius

* Pisces

These constellations are known as the zodiac constellations.