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Mind Map: Rotation & Revolution of Earth | Geography for UPSC CSE PDF Download

Mind Map: Rotation & Revolution of Earth | Geography for UPSC CSE

Mind Map: Rotation & Revolution of Earth | Geography for UPSC CSE

The document Mind Map: Rotation & Revolution of Earth | Geography for UPSC CSE is a part of the UPSC Course Geography for UPSC CSE.
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FAQs on Mind Map: Rotation & Revolution of Earth - Geography for UPSC CSE

1. What is the difference between rotation and revolution of the Earth?
Ans.Rotation refers to the spinning of the Earth on its axis, which takes approximately 24 hours to complete one full turn, resulting in day and night. Revolution, on the other hand, is the Earth's orbit around the Sun, which takes about 365.25 days to complete one full cycle, leading to the changing seasons.
2. How does Earth's rotation affect our daily lives?
Ans.Earth's rotation affects our daily lives by creating the cycle of day and night. As the Earth spins, different parts of the planet are exposed to sunlight, leading to daytime, while the areas facing away from the Sun experience nighttime. This rotation also influences weather patterns and natural phenomena like ocean currents.
3. What are the effects of Earth's revolution on seasons?
Ans.Earth's revolution around the Sun causes the tilt of its axis to change the angle of sunlight received at different times of the year. This variation in sunlight results in the four seasons: spring, summer, autumn, and winter. The tilt of approximately 23.5 degrees is crucial in determining the intensity and duration of each season.
4. How do rotation and revolution contribute to the concept of time?
Ans.Rotation contributes to the concept of time through the establishment of a 24-hour day, while revolution contributes to the calendar year of approximately 365 days. Together, they help in structuring our understanding of time, enabling the division into hours, days, months, and years based on the Earth's movements.
5. What would happen if the Earth stopped rotating?
Ans.If the Earth were to stop rotating suddenly, the effects would be catastrophic. The sudden halt would cause massive winds and tidal waves due to inertia, and the lack of rotation would lead to extreme temperature changes, with one side facing the Sun becoming extremely hot and the opposite side freezing. The ecological balance would be severely disrupted, impacting all life forms.
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