What is the fall equinox?
Understand the Problem
The question is asking for an explanation of the fall equinox, which involves discussing its definition and significance in relation to the changing seasons.
Answer
The fall equinox occurs when the Sun is directly above the Equator, leading to equal day and night lengths, typically around September 22 or 23 in the Northern Hemisphere.
The fall equinox, also known as the autumnal equinox, occurs when the Sun is exactly above the Equator, resulting in equal lengths of day and night. It typically happens around September 22 or 23 in the Northern Hemisphere, marking the transition from summer to autumn.
Answer for screen readers
The fall equinox, also known as the autumnal equinox, occurs when the Sun is exactly above the Equator, resulting in equal lengths of day and night. It typically happens around September 22 or 23 in the Northern Hemisphere, marking the transition from summer to autumn.
More Information
During the fall equinox, the Sun crosses the celestial equator moving south, and in the Southern Hemisphere, this signals the start of spring.
Tips
A common mistake is confusing the equinox with the solstice; the equinox has equal day and night, whereas solstices have the longest or shortest days.
Sources
- Autumnal equinox | Definition, Dates, & Facts - Britannica - britannica.com
- What and when is the autumnal equinox? - rmg.co.uk
- 10 Facts about the September Equinox - Time and Date - timeanddate.com
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