Category : 1st Class
Types of Planets
1. Terrestrial: They have a surface of solid rock.
2. Gas planets: They have surfaces of liquids or airy gas.
Our solar system has 8 planets, revolving around the Sun. Name of these planets, in order of increasing distance from the Sun, are given below:
How many types the planets are?
Option (B) is correct, because planets are divided into terrestrial and gas planets. Therefore, rest of the options is incorrect.
Which one of the following planets are closest to the Sun?
Option (D) is correct, because Mercury is the closest planets from the Sun. Therefore, rest of the options is incorrect.
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