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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, causing day and night. Revolution, on the other hand, is the Earth's movement around the Sun, completing one orbit in approximately 365.25 days, resulting in the change of seasons.
2. How long does it take for the Earth to complete one rotation?
Ans. It takes approximately 24 hours or one day for the Earth to complete one rotation on its axis. This rotation is responsible for the occurrence of day and night.
3. What causes the Earth to rotate?
Ans. The Earth's rotation is caused by the initial angular momentum it acquired during its formation. As the protoplanetary disk collapsed to form the Earth, the conservation of angular momentum caused it to start rotating.
4. What is the significance of the Earth's revolution around the Sun?
Ans. The Earth's revolution around the Sun is significant as it determines the length of a year and causes the change in seasons. The tilt of the Earth's axis during its revolution leads to variations in the amount of sunlight different regions receive throughout the year.
5. How does the rotation of the Earth affect our daily lives?
Ans. The rotation of the Earth is responsible for the occurrence of day and night. This regular cycle of light and darkness influences our sleep patterns, daily activities, and the functioning of various organisms that are adapted to specific light conditions.
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