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   Fall equinox

   noun

   • 1. another term for autumnal equinox North American

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2. People also ask

   What does the fall equinox mean?

   • NEW YORK (AP) — Fall is in the air — officially. The equinox arrives on Saturday, marking the start of the fall season for the Northern Hemisphere. But what does that actually mean? Here’s what to know about how we split up the year using the Earth’s orbit. WHAT IS THE EQUINOX? As the Earth travels around the sun, it does so at an angle.

   The fall equinox is here. What does that mean? | AP News

   apnews.com/article/equinox-solstice-astronomical-seasons-explained-af1a8b7a288d530eb6eb8be5ea320829

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   When is the autumnal equinox?

   • The autumnal equinox is an astronomical event that marks the start of autumn (or “fall”). In the Northern Hemisphere, the autumnal equinox occurs in September; in the Southern Hemisphere, it occurs in March. What Is an Equinox?

   When is the First Day of Fall? Autumnal Equinox 2024 - The Old Farmer's

   www.almanac.com/content/first-day-fall-autumnal-equinox

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   What is the equinox in astrology?

   • The equinox marks the point of the year where this transition occurs, and on the equinox the part of Earth closest to the sun is the equator, rather than places north or south. In the Northern Hemisphere, the September equinox marks the first day of fall.

   Fall Equinox - HISTORY

   www.history.com/topics/natural-disasters-and-environment/fall-equinox

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   What does equinox mean?

   • More precisely, an equinox is traditionally defined as the time when the plane of Earth 's equator passes through the geometric center of the Sun 's disk. Equivalently, this is the moment when Earth's rotation axis is directly perpendicular to the Sun-Earth line, tilting neither toward nor away from the Sun.

   Equinox - Wikipedia

   en.wikipedia.org/wiki/Equinox

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3. www.britannica.com › science › autumnal-equinoxAutumnal equinox | Definition, Dates, & Facts | Britannica

   www.britannica.com › science › autumnal-equinox

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   Apr 19, 2024 · The autumnal equinox is when the Sun crosses the celestial equator going south, marking the beginning of autumn in the Northern Hemisphere. Learn more about the astronomical and seasonal aspects of this event from Britannica articles.

   • Author: The Editors of Encyclopaedia Britannica

4. www.history.com › fall-equinoxFall Equinox - HISTORY

   www.history.com › fall-equinox

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   Sep 18, 2017 · Fall equinox is when day and night are of nearly equal length across the planet. Learn about the ancient and modern celebrations, rituals and traditions associated with this astronomical event in the Northern Hemisphere.

5. Videos

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     Equinoxes | National Geographic

     Sep 21, 2012

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     Autumn Equinox Explained

     Sep 17, 2022

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     What is the Fall Equinox - Autumnal Equinox | Facts for Kids

     Sep 6, 2021

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6. en.wikipedia.org › wiki › EquinoxEquinox - Wikipedia

   en.wikipedia.org › wiki › Equinox

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   In the Northern Hemisphere, the March equinox is called the vernal or spring equinox while the September equinox is called the autumnal or fall equinox. In the Southern Hemisphere, the reverse is true. During the year, equinoxes alternate with solstices.

7. www.nationalgeographic.org › encyclopedia › equinoxEquinox - National Geographic Society

   www.nationalgeographic.org › encyclopedia › equinox

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   Oct 19, 2023 · An equinox is when the sun's rays are directly above the Equator, creating equal day and night on Earth. Learn about the science, history and culture of the equinoxes, and how they vary across the planet and the solar system.

8. www.nationalgeographic.com › science › articleAutumnal Equinox and Other Sky Events: What You Need to Know

   www.nationalgeographic.com › science › article

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   Sep 20, 2016 · An equinox is a geometrical alignment between the sun and Earth in which the sun appears positioned right above our planet’s equator. On these days, both the...

9. www.almanac.com › first-day-fall-autumnal-equinoxAutumnal Equinox 2023: First Day of Fall | Facts, Folklore ...

   www.almanac.com › first-day-fall-autumnal-equinox

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   Jan 24, 2024 · The autumnal equinox is an astronomical event that marks the start of autumn (or “fall”). In the Northern Hemisphere, the autumnal equinox occurs in September; in the Southern Hemisphere, it occurs in March. What Is an Equinox?

10. apnews.com › article › equinox-solstice-astronomicalThe fall equinox is here. What does that mean? | AP News

    apnews.com › article › equinox-solstice-astronomical

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    Sep 22, 2023 · NEW YORK (AP) — Fall is in the air — officially. The equinox arrives on Saturday, marking the start of the fall season for the Northern Hemisphere. But what does that actually mean? Here’s what to know about how we split up the year using the Earth’s orbit. WHAT IS THE EQUINOX? As the Earth travels around the sun, it does so at an angle.