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Sun rays shines for 6 months in Antarctica and when it is dark for 6 months, the sun rays shine for those 6 months in Arctic region. It is because of the fact that earth's axis is tilted at some angle, it's not truly vertical. When earth is revolving round the sun, the antarctic region is exposed towards sun for half of the revolution time it takes i.e 6 months and 3 hours. and the same is with arctic region in next 6 months and 3 hours and this continues. Three hours additional is due to in one revolution earth takes 365 days and 6 hours, that is why we have a leap year in which we have 24 hours extra. i.e 6 x 4 = 24 (29th February).

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14y ago

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