1. Which planet is known as the Earth’s Twin?

2. The planet having thirteen moons is :

3. On which of the following planets of the solar system does the sun rise in the west and set in the east?

4. Which of the following planets of the solar system has the longest day? [IAS 2003, CDS]

5. The hottest planet is :

6. Which of the planets is nearest to the earth?

7. Match the following: A. Largest Planet 1. Mercury B. Brightest Planet 2. Jupiter C. Densest Planet 3. Earth D. Smallest Planet 4. Venus A B C D

8. Which one of the following planets takes the same number of days for rotation and revolution?

9. Which of the following is the brightest planet?

10. ‘The length of its day and the tilt of its axis are almost identical to those of the earth’.This is true of: