Why Does the Size of the Sun Appear to Change?
ES2603  NOT the Reason for the Seasons

People often mistakenly apply their knowledge of Earth's elliptical orbit to explain the change of seasons. Rather, Earth's seasons are caused by the tilt of Earth's axis, which causes it to point toward or away from the sun at opposite times of the year. In fact, during winter in the northern hemisphere, Earth actually receives about 7% more energy from the sun than it receives during the northern hemisphere's summer.

Cause of the seasons.

8. What season is it in the southern hemisphere when Earth is farthest from the sun (aphelion)?

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