Thursday, 13 October 2011

What causes the different seasons

The seasons are a powerful force in our lives. They affect the activities we do, the foods we desire, the clothes we wear and quite often, the moods we are in. The seasons officially changed once again on Sept. 23, with autumn beginning in the Northern Hemisphere and spring starting in the south.

What is it that causes the change in seasons? Learn the scientific reasons behind Earth's seasons.