Reason for the Seasons

Bird's Eye View of Earth's Orbit

Remember that as Earth orbits the sun, the seasons change. These changes can be seen from space.

Looking down at the North Pole, the Arctic Ocean and its surrounding land in the Northern Hemisphere are visible.

Are all land areas covered by snow and ice in the winter?

Does all of the snow and ice melt in the summer?

Can you see the start of spring thaw or the vegetation losing its greenness in autumn?

Move your cursor over the Earth to learn more.

 

 

 
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Did you know?

Ice and snow cover the Arctic Ocean as well as the surrounding land?
These satellite images show only the seasonal changes on the land.