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प्रश्न
Why are days and nights equal at all places on earth on September 23?
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उत्तर
Days and nights are equal at all places on Earth on 23 September because it is the Autumnal Equinox. On this day, the Earth's axis is not tilted towards or away from the Sun, so the Sun is directly above the Equator, resulting in equal durations of day and night all over the planet.
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संबंधित प्रश्न
What is a geographic grid?
Express 1° angular distance in kilometers.
Name the two reference lines with respect to which the distances of various places on the earth’s surface are measured?
Which is the longest and which is the shortest day in the Northern Hemisphere and why?
Distinguish between:
Equinox and Solstice
Give reasons for the following Statement :
The areas, lying on the Equator, have their duration of day-light almost constant throughout the year.
Give reasons for the following:
There is no Twilight and Dawn on the Equator.
Give reasons for the following:
The variation in the lengths of day and night goes on increasing polewards.
Why are days longer than nights in summer?
What is a Geoid?
