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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
Name the two hemispheres of the earth made by the Equator.
Name the thermal zones of the earth.
Give a reason for the following:
A globe is the most popular model of the earth.
How has the phenomenon of the ‘Midnight Sun’ come about?
Give reasons for the following
The speed of the rotation of the earth is greater at the Equator than at the Arctic Circle.
Name the longest day in the Northern Hemisphere.
Name the two ends of the Axis of the Earth.
When is the spring equinox?
Give reasons for the following statement :
The duration of day and night is equal everywhere on 21st March and 23rd September.
Give reasons for the following statement:
The regions, near North Pole and South Pole, have six months of continuous day-light and darkness.
