Two motions of the earth area)Rotation and Revolutionb)Rotavation and ...
Rotation and Revolution are two motions of the earth. When earth spins or rotates around its axis, that movement of spinning is called Rotation of Earth. And when earth spins or revolves around the sun, that movement is called Revolution of Earth.
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Two motions of the earth area)Rotation and Revolutionb)Rotavation and ...
The Two Motions of the Earth
The Earth exhibits two primary motions: rotation and revolution. Understanding these motions is crucial for grasping various geographical and astronomical concepts.
1. Rotation
- **Definition**: Rotation refers to the spinning of the Earth around its own axis.
- **Axis**: The imaginary line that runs from the North Pole to the South Pole.
- **Duration**: One complete rotation takes approximately 24 hours, which defines a day.
- **Effects**:
- Causes the cycle of day and night.
- Influences the apparent movement of celestial bodies across the sky.
2. Revolution
- **Definition**: Revolution is the movement of the Earth around the Sun in an elliptical orbit.
- **Duration**: One complete revolution takes about 365.25 days, defining a year.
- **Effects**:
- Leads to the different seasons due to the tilt of the Earth's axis.
- Affects the length of days and nights throughout the year.
Importance of Understanding These Motions
- **Geographical Knowledge**: Helps in understanding time zones, seasons, and climate patterns.
- **Astronomical Insights**: Essential for comprehending the dynamics of the solar system and the position of other celestial bodies.
In conclusion, the correct answer is **option A: Rotation and Revolution**, as these terms accurately encapsulate the fundamental movements of the Earth, crucial for various scientific disciplines.
Two motions of the earth area)Rotation and Revolutionb)Rotavation and ...
A is correct:-
# rotation:- it's the movement of earth on it's own axis.
# revolution:- it's the movement of earth around the earth in an orbit.
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