Astronomy › lesson 07 of 100 · Beginner

The Earth’s Rotation and Orbit

The Earth's rotation causes day and night, while its orbit around the Sun causes seasons.

Imagine you are standing on a hill, watching the Sun rise in the east and set in the west. As the Earth rotates on its axis, different parts of the planet face towards or away from the Sun, resulting in day and night. This rotation is the primary cause of the changing light in our sky.

The Earth's orbit around the Sun, on the other hand, is responsible for the changing seasons. As the Earth moves around the Sun, its tilt causes different parts of the planet to receive varying amounts of sunlight, resulting in warmer or cooler temperatures.

Understanding the difference between the Earth's rotation and orbit is essential for grasping the fundamental principles of astronomy.

示例

• The Northern Hemisphere experiences longer days in summerDue to its tilt towards the Sun
• The Southern Hemisphere has summer in DecemberWhile the Northern Hemisphere has winter
• The equator receives relatively consistent sunlight throughout the yearDue to its minimal tilt

完整课程用 5 道题核对每一课，随你的层级调整，并记住你的位置。