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Rotation and Revolution — Geography STD 9 — Question

ICSE BoardEnglish MediumSTD 9GeographyRotation and Revolution2 Marks
Question
What does the word equinox mean?
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Answer

The word Equinox comes from the Latin words aequi, which means "equal," and nox, which means "night."
Equinox is the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of approximately equal length (about 22 September and 20 March).

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