Question : Which is the smallest planet in our solar system?
Option 1: Venus
Option 2: Mars
Option 3: Mercury
Option 4: Earth
Correct Answer: Mercury
Solution : The correct answer is Mercury .
Mercury is the smallest planet in our solar system. Our solar system consists of 8 planets. Mercury has a very thin atmosphere, almost negligible compared to Earth. The lack of a significant atmosphere contributes to the planet's extreme temperature variations. This planet has no satellites.