The Earth's Movement
Apparent Movement of the Sun:
- People observe the "rising" and "setting" of the sun, but these are illusions.
- It is the Earth's movement that causes this appearance; the sun itself does not rise or set.
Types of Earth's Motion:
- Rotation:
- The Earth rotates on its axis from west to east.
- This rotation takes 24 hours, resulting in day and night.
- Revolution:
- The Earth revolves around the sun in an elliptical orbit.
- This revolution takes 365 days, leading to the change in seasons and the completion of a year.
- Rotation: