Annual_Motion_Physics_ Presentation.pptx

annual motion

1. Annual Motion of Celestial Bodies Understanding Zodiac, Ecliptic, Equinoxes, and Solstices

2. Annual Motion Annual motion is the apparent yearly motion of stars and celestial bodies across the sky due to Earth’s revolution.

3. Zodiac and the Ecliptic The ecliptic is the path the Sun takes in the celestial sphere. A band of thirteen constellations, known as the zodiac, is seen along the ecliptic. Ancient civilizations used zodiac constellations for tracking time and astrology.

4. Equinoxes and Solstices Equinoxes occur when the Sun crosses the celestial equator (March 20 & September 22). Solstices happen when the Sun is at its farthest declination (north or south). Ancient civilizations observed the Sun’s declination to determine solstices and equinoxes.