Question

The movement of the earth around the sun is known as?

• A. Rotation
• B. Revolution
• C. Inclination
• D. None of these

Answer 1

The correct option is B

Revolution

Step 1: Explanation for correct option :

1. Option $\left(\mathrm{B}\right)$ is the correct option.
2. The motion of the earth in its fixed orbit around the sun is known as revolution.
3. The earth takes $365.26$ days to complete one revolution.

Step 2: An illustrative diagram of the revolution of the earth

Step 3: Explanation for incorrect option :

1. The earth rotates around its axis.
2. Its axis is an imaginary line that passes through its north and south pole.
3. It rotates from west to East.
4. The axis of the Earth is tilted at an angle of ${\left(23\frac{1}{2}\right)}^{°}$from a perpendicular to the orbital plane.
5. This tilting of the axis is called the inclination of the Earth's axis.

Step 4: An illustrative diagram of rotation and inclination :

Rotation of earth Inclination of earth