Seasons

Seasons

What causes Earth to have seasons?

? The distance to Earth does NOT cause seasons

? seasons are caused by : ? 1. the tilt of the earth on

its axis (23.5 degrees) ? 2.revolution of earth

around the sun ? 3. parallelism

1. Tilt of Earth's axis 23.5 degrees

2) Sun's rays are parallel to each other when they reach the curved surface of the Earth

3. Earth's axis always points in the same direction (towards Polaris) as it revolves.

Known as Parallelism

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