geography MCQ #144

Which is the smallest planet in the Solar System?

geography MCQ #144

  1. Question 1

    Q1. Which is the smallest planet in the Solar System?

    • A) Venus
    • B) Neptune
    • C) Mercury
    • D) Earth

    Answer: Mercury

    Explanation: Mercury is the smallest planet in the Solar System, with a mean radius of about 2,439.7 km — smaller even than some moons of Jupiter and Saturn.