Motions of the Earth — Social Studies STD 6 — Question
CBSE BoardEnglish MediumSTD 6Social StudiesMotions of the Earth5 Marks
Question
Examine the concept of winter solstice.
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Answer
On December 22, (slight variation in date from year to year) due to inclination southern half of the earth faces the sun. This is the situation just opposite to that of the summer solstice. More area of the Southern Hemisphere is facing the sun hence it is summer season and less area of the northern hemisphere is exposed to the sun so it is winter season. These sun rays are vertical at Tropic of Capricorn (23½° S) due to which maximum heating takes place over that region (23½° N) only after that its complete darkness or night for six months. Now the days are longer and nights are shorter in this hemisphere and vice versa for Northern Hemisphere where sun’s rays can reach up to Arctic Circle only.
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