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The Sun

Tree through the four seasons

Why do we have seasons?

Backgrounders

Learn why seasons change. Discover how they’re different in the Northern and Southern hemispheres.

ChaoticMind75 - iStock

Why is it colder in the winter even though the Earth is closer to the Sun?

Hands-on Activities

Learn why we have seasons in this hands on activity.

Sunrise

Sun: Sunrise

Picture Collections

5 images of scenes showing various sunrises

Sunset

Sun: Sunset

Picture Collections

5 images of scenes showing various sunsets