The autumn equinox occurs around which date range?

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Explore the intricacies of the Sun-Earth-Moon System with our C20 Test. Utilize flashcards and multiple choice questions to gain a comprehensive understanding of celestial mechanics. Prepare thoroughly for your exam!

Multiple Choice

The autumn equinox occurs around which date range?

Explanation:
Equinoxes happen when the Sun crosses the celestial equator, so daylight and darkness are about equal. The autumn (fall) equinox occurs as the Sun moves south across the equator, placing it in late September. Because Earth's orbit and time zones shift the exact moment, it typically falls on September 22 or 23 in most years, with occasional variation. For context, the winter solstice is around December 21–22, the spring equinox around March 20–21, and the summer solstice around June 20–21.

Equinoxes happen when the Sun crosses the celestial equator, so daylight and darkness are about equal. The autumn (fall) equinox occurs as the Sun moves south across the equator, placing it in late September. Because Earth's orbit and time zones shift the exact moment, it typically falls on September 22 or 23 in most years, with occasional variation. For context, the winter solstice is around December 21–22, the spring equinox around March 20–21, and the summer solstice around June 20–21.

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