What day is the September equinox?
Why does the Earth have seasons?
Because of the tilt of its axis
Because of the orbit of Earth around the sun
Because of the atmosphere
Because of Earth's distance from the sun
Katherine Frey/The Washington Post
How long do seasons last on Earth?
European Science Agency
Which of these planets in our solar system has the longest seasons?
When it turns fall in the United States, what season will it be in countries in the Southern Hemisphere, such as Australia or South Africa?
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