Vernal and Autumnal Equinoxes
Explore the vernal and autumnal equinoxes, when day and night are nearly equal in length across Earth.
Questions
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MultiChoice
What does the word 'equinox' mean?
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On an equinox, how many hours of daylight and darkness occur everywhere on Earth?
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Around which date does the vernal (spring) equinox occur in the Northern Hemisphere?
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Around which date does the autumnal (fall) equinox occur in the Northern Hemisphere?
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Where are the Sun's direct rays focused at solar noon during an equinox?
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How is Earth's axis positioned relative to the Sun on an equinox?
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Where does the Sun rise on the exact day of an equinox?
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Where does the Sun set on the exact day of an equinox?
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When it is the vernal equinox in the Northern Hemisphere, what equinox is it in the Southern Hemisphere?
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How many equinoxes occur each calendar year?
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After the autumnal equinox in the Northern Hemisphere, what happens to daylight length?
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MultiChoice
At the Equator on an equinox, where is the Sun at solar noon?