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Question
What are the effects of rotation and revolution?
Answer in Brief
Solution
- Effects of Rotation:
- It is the spinning movement of the Earth on its axis
- The time taken by the Earth to complete one rotation is called a day.
- The rotation of the Earth causes day and night, As the Earth is spherical in shape, only one half of it is illuminated by the Sun at a time.
- The other half remains dark.
- The illuminated portion of the Earth experiences day, whereas the darkened part of the Earth experiences night.
- Effects of Revolution:
- It is the movement of the Earth around the Sun on its elliptical path.
- The Earth takes 36514 days to complete one revolution.
- It revolves around the Sun at a speed of 30 km per second.
- The remaining quarter-day is added once in every four years in the month of February.
- The inclination of the Earth on its axis and its revolution around the Sun causes different seasons.
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