Question

The smallest planet in the solar system is

• A. Mars
• B. Jupiter
• C. Mercury
• D. Earth

Answer 1

The correct option is C

Mercury

1. Planets are enormous astronomical bodies that are neither stars nor stellar remnants.
2. The solar system is the gravitationally bound system that includes the Sun and its orbiting components.
3. The size of mercury is the smallest among all the eight planets in the solar system.
4. The radius of mercury is 2439.7 km.
5. Characteristics of mercury:
   1. On Mercury, one day lasts 59 Earth days.
   2. Mercury takes 88 Earth days to complete one orbit around the Sun
   3. Mercury is a terrestrial planet, which means it is rocky.
   4. The exosphere, or the thin atmosphere of Mercury, is largely made up of oxygen, sodium, hydrogen, helium, and potassium.
   5. Mercury does not have any moons.

Hence, the correct option is C.